Careers360 Logo
Search Colleges, Exams, Schools & more
ask-icon
share
    NEET 2025 Chemistry Answer Key Codes 45, 46, 47, 48: Download PDF

    NEET 2025 Chemistry Answer Key Codes 45, 46, 47, 48: Download PDF

    #NEET
    Switch toEnglish IconHindi Icon
    Shamshad Ali DarUpdated on 05 May 2025, 04:24 PM IST
    Switch toEnglish IconHindi Icon

    The National Testing Agency has conducted NEET UG 2025 on May 4, 2025. Soon after the conclusion of the exam, several leading coaching institutions have released the unofficial NEET answer key 2025 for all codes 45, 46, 47, 48. A link to download the NEET Chemistry answer key 2025 for codes 45, 46, 47, 48 is provided below.

    Live | Jun 30, 2026 | 11:50 PM IST

    Re-NEET 2026 Result Date LIVE: Re-exam final answer key, OMR response sheet soon; result, counselling dates

    Candidates who find any discrepancy or error in their OMR grading can challenge it by paying a non-refundable fee of Rs. 200 per question. The NEET OMR Sheet challenge can be submitted online through the official Re-NEET 2026 portal.

    Read More

    This Story also Contains

    1. How to download the NEET 2025 Chemistry answer key codes 45, 46, 47, 48?
    2. How to calculate scores using the NEET Chemistry answer key 2025 codes 45, 46, 47, 48?
    3. NEET 2025 marking scheme
    4. NEET formula 2025
    NEET 2025 Chemistry Answer Key Codes 45, 46, 47, 48: Download PDF
    NEET 2025 Chemistry Answer Key Codes 45, 46, 47, 48

    NEET 2025 is held in pen and paper across various exam centres in India. The official NEET 2025 answer key codes will be released by NTA at the official website soon. Candidates can challenge the provisional NEET answer key 2025 by paying an amount of Rs 200 per question challenged. Aspirants will be able to calculate their expected scores by using the NEET Chemistry answer key codes 45, 46, 47, 48. Read the full article to know more about NTA NEET Chemistry answer key 2025 codes 45, 46, 47, 48, how to download, how to calculate and other information.

    NEET 2025 answer key

    NEET 2025 Physics Answer Key For Code 45, 46, 47, 48
    		NEET 2025 Biology Answer Key For Codes 45, 46, 47, 48

    NEET Chemistry answer key for all codes

    NEET Chemistry answer key codesDownload links
    Code 45
    		NEET Chemistry answer key for code 45
    Code 46
    		NEET Chemistry answer key for code 46
    Code 47
    		NEET Chemistry answer key for code 47
    Code 48
    		NEET Chemistry answer key for code 48

    How to download the NEET 2025 Chemistry answer key codes 45, 46, 47, 48?

    Candidates who have appeared for NEET exam can download the unofficial NEET answer key for codes 45, 46, 47, 48 by following the below mentioned steps.

    • Candidates can click on the NEET 2025 Chemistry answer key codes 45, 46, 47, 48 link provided above.

    • The NEET answer key 2025 PDF of codes 45, 46, 47, 48 with solutions will appear on the screen.

    • Download the NEET Chemistry answer key 2025 for codes 45, 46, 47, 48.

    • Cross-check the answers and calculate the attempted responses with the help of the answer key of NEET 2025.

    • Use the unofficial NEET answer key for codes 45, 46, 47, 48 for future reference

    JSS University Mysore Allied Sciences 2026

    NAAC A+ Accredited| Ranked #21 in University Category by NIRF | Applications open for multiple UG & PG Programs

    Apply
    Emversity Allied Health Programs

    Get Job Ready in Healthcare | Employability-Focused Programs

    Apply

    Confused About College Admissions?

    Get expert advice on college selection, admission chances, and career path in a personalized counselling session.

    Book a Counselling Slot
    Select Date
    Pick a Slot

    How to calculate scores using the NEET Chemistry answer key 2025 codes 45, 46, 47, 48?

    To calculate NEET scores, candidates must know about the marking scheme. Steps to calculate scores using NEET answer key can be checked below.

    • Download the unofficial NEET Chemistry codes 45, 46, 47, 48 answer key.

    • After successful download, compare the attempted questions with the correct answers provided in the NEET answer key.

    • Now, calculate the number of correct and incorrect answers with the help of NEET answer key codes 45, 46, 47, 48 as per the marking scheme given in the table below.

    NEET 2026 Rank Predictor
    Predict your NEET 2026 rank instantly! Enter your expected score and get an estimated AIR, percentile, and college admission chances with NEET 2026 Rank Predictor.
    Try Now

    NEET

    NEET AYUSH All India Counseling

    Maharashtra MBBS/BDS Counselling

    Arunachal Pradesh MBBS/BDS Admissions

    NEET UG

    Karnataka MBBS/BDS Counselling

    UP MBBS/BDS Counselling

    Gujarat MBBS/BDS Counselling

    Madhya Pradesh MBBS/BDS Counselling

    Kerala MBBS/BDS Counselling

    Tamil Nadu MBBS/BDS Counselling

    Telangana MBBS/BDS Counselling

    Andhra Pradesh MBBS/BDS Counselling

    West Bengal MBBS/BDS Counselling

    Rajasthan MBBS/BDS Counselling

    Bihar MBBS/BDS

    Haryana MBBS/BDS

    Punjab MBBS/BDS Counselling

    Chhattisgarh MBBS/BDS

    Odisha MBBS/BDS

    Assam MBBS/BDS

    Himachal Pradesh MBBS/BDS

    Jharkhand MBBS/ BDS

    Jammu and Kashmir MBBS/BDS

    Tripura MBBS/BDS

    Puducherry MBBS/BDS

    Uttarakhand MBBS/BDS

    Delhi MBBS/BDS

    Chandigarh MBBS/BDS Admissions

    NEET 2025 marking scheme

    Check the marking scheme of NEET 2025 in the table below.

    Particulars

    Details

    Correct answer

    +4 marks

    Incorrect answer

    -1 mark

    Unanswered question

    0 marks

    Question with more than one response

    -1 mark

    • Calculate the expected NEET UG 2025 score using the formula.

    Virohan Allied & Healthcare Programs

    Allied & Healthcare programs | 20+ Partner Universities & Institutes | 98% placement record

    Apply
    RV University Allied & Healthcare Admissions 2026

    Industry-Relevant Programmes with Clinical Excellence. Merit-based scholarships available

    Apply

    Recommended eBooks

    Related eBooks and Sample Papers

    Latest

    View all Ebooks

    https://medicine.careers360.com/download/ebooks-and-sample-papershttps://medicine.careers360.com/download/ebooks-and-sample-papershttps://medicine.careers360.com/download/ebooks-and-sample-papershttps://medicine.careers360.com/download/ebooks-and-sample-papers

    NEET formula 2025

    Total score = (Number of Correct Answers × 4) – (Number of Incorrect Answers × 1)

    NEET Syllabus: Subjects & Chapters
    Select your preferred subject to view the chapters
    Articles
    Related Stories
    |
    Upcoming Medicine Exams
    PGIMER Paramedical Entrance Exam
    Ongoing Dates
    PGIMER Paramedical Application Date

    3 Jun'26 - 2 Jul'26 (Online)

    RUHS Paramedical
    Ongoing Dates
    RUHS Paramedical Counselling Date

    16 Jun'26 - 8 Jul'26 (Online)

    Certifications By Top Providers
    Economic Evaluation for Health Technology Assessment
    Via Postgraduate Institute of Medical Education and Research Chandigarh
    Functional Foods and Nutraceuticals
    Via Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur
    Management of Medical Emergencies in Dental Practice
    Via Tagore Dental College and Hospital, Chennai
    Industrial Biotechnology
    Via Indian Institute of Technology Kharagpur
    Counseling Psychology
    Via Savitribai Phule Pune University, Pune
    Online M.Sc Psychology
    Via Centre for Distance and Online Education, Andhra University
    Coursera
     355 courses
    Futurelearn
     310 courses
    Edx
     233 courses
    Udemy
     191 courses
    Swayam
     120 courses
    NPTEL
     76 courses
    Explore Top Universities Across Globe
    University College London, London
    Gower Street, London, WC1E 6BT
    University of Essex, Colchester
    Wivenhoe Park Colchester CO4 3SQ
    University of Nottingham, Nottingham
    University Park, Nottingham NG7 2RD
    University of Wisconsin, Madison
    329 Union South 1308 W. Dayton Street Madison, WI 53715-1149
    University of Alberta, Edmonton
    116 St. and 85 Ave., Edmonton, Alberta, Canada T6G 2R3
    Keele University, Newcastle
    Staffordshire, UK, ST5 5BG

    Popular Courses and Specializations

    Popular Degrees

    Popular Branches

    List of colleges accepting NEET

    Questions related to NEET

    On Question asked by student community

    Have a question related to NEET ?
    I am from Assam SC category. Scored 660 in Re neet. I am curious to know about my dream college AIIMS Delhi. Any chance? Please.

    Hello,

    With 660 marks in RE-NEET 2026 under the SC category from Assam, you have a competitive score. Admission to AIIMS Delhi MBBS is highly competitive, and the final selection depends on your All India Rank, SC category rank, counselling trends, seat availability, and cutoff.

    While it is difficult to

    Read Complete Answer
    M
    Moturi Gana Amrutha Varshini
    29 Jun'26
    Sir I got 480 marks re neet 2026 .I can get Gov college in EWS category

    Hello,

    With 480 marks in RE-NEET 2026 under the EWS category, securing an MBBS seat in a government medical college may be challenging, especially in the All India Quota. However, your chances depend on your All India Rank, state, domicile, category-wise cutoff, and counselling trends.

    You should participate in both

    Read Complete Answer
    M
    Moturi Gana Amrutha Varshini
    29 Jun'26
    i am ex service men and cat 1 and HK reservation available can i get seat in karnataka for 460 marks neet

    Hello,

    Getting an MBBS seat in Karnataka with 460 marks is quite difficult, even if you belong to Category 1, Ex-serviceman, and HK category in government colleges. However, you have a good chance of getting a seat in the private medical colleges through the government-quota seats in private medical colleges.

    Read Complete Answer
    B
    Bhanu Pratap
    30 Jun'26
    I want to take addmission in bsc nursing colleges and in refference bams college I gave neet in 2026 i score 160 i pass my 12 th in 2025 by 68 % now find a college in palwal or near palwal or also for bpt course

    Hello, with a NEET 2026 score of 160 and 68% in Class 12, your chances of getting admission to B.Sc Nursing, BAMS, or BPT depend on the college, cutoff, category, and seat availability.

    You can check the list of B.Sc Nursing colleges and BPT colleges near Palwal here:

    Read Complete Answer
    P
    Pranjali Mathur
    30 Jun'26
    Without neet admission process in 12th boards marks

    Hello Student,

    Can you please be more clear in what are you trying to ask?

    Read Complete Answer
    B
    Bhanu Pratap
    30 Jun'26
    View all

    Popular NEET Questions

    Column I ( Salivary gland)

     

    Column II ( Their location)

    Parotids

    I

    Below tongue

    Sub-maxillary / sub-mandibular

    Ii

    Lower jaw

    Sub-linguals

    Iii

    Cheek
    Option: 1

    a(i), b(ii) , c(iii)

     


    Option: 2

    a(ii), b(i), c(iii)

     


    Option: 3

    a(i), b(iii), c(ii)


    Option: 4

    a(iii), b(ii), c(i)


    Read Complete Answer

    Ethyl \; ester \xrightarrow[(excess)]{CH_{3}MgBr} P

    the product 'P' will be ,

    Option: 1


    Option: 2


    Option: 3

    \left ( C_{2}H_{5} \right )_{3} - C- OH


    Option: 4


    Read Complete Answer

     

        

               

     Valve name                            

    		              

    Function
        I   Aortic valve     A

    Prevents blood from going backward from the pulmonary artery to the right ventricle.
        II   Mitral valve     B

     Prevent blood from flowing backward from the right ventricle to the right atrium.
        III   Pulmonic valve     C

     Prevents backward flow from the aorta into the left

    Read Complete Answer

    Column A Column B
    A

    a) Organisation of cellular contents and further cell growth.  
    B

    b) Leads to formation of two daughter cells.
    C

    c) Cell grows physically and increase volume proteins,organells.
    D

    d)  synthesis and replication of DNA.

    Match the correct option as per the process shown in the

    Read Complete Answer

    0.014 Kg of N2 gas at 27 0C is kept in a closed vessel. How much heat is required to double the rms speed of the N2 molecules?

    Option: 1

    3000 cal


    Option: 2

    2250 cal


    Option: 3

    2500 cal


    Option: 4

    3500 cal


    Read Complete Answer

    0.16 g of dibasic acid required 25 ml of decinormal NaOH solution for complete neutralisation. The modecular weight of the acid will be

    Option: 1

    32


    Option: 2

    64


    Option: 3

    128


    Option: 4

    256


    Read Complete Answer

    0.5 F of electricity is passed through 500 mL of copper sulphate solution. The amount of copper (in g) which can be deposited will be:

    Option: 1

    31.75


    Option: 2

    15.8


    Option: 3

    47.4


    Option: 4

    63.5


    Read Complete Answer

    0.5 g of an organic substance was kjeldahlised and the ammonia released was neutralised by 100 ml 0.1 M HCl. Percentage of nitrogen in the compound is

    Option: 1

    14

     

    Option: 2

    42

     

     

    Option: 3

    28

     

     

    Option: 4

    72

     

    Read Complete Answer

    0xone is

    Option: 1

    \mathrm{KO}_{2}


    Option: 2

    \mathrm{Na}_{2} \mathrm{O}_{2}


    Option: 3

    \mathrm{Li}_{2} \mathrm{O}


    Option: 4

    \mathrm{CaO}


    Read Complete Answer

    (1) A substance  known as "Smack"

    (2) Diacetylmorphine

    (3) Possessing a white color

    (4) Devoid of any odor

    (5) Crystal compound with a bitter taste

    (6) Obtained by extracting from the latex of the poppy plant

    The above statements/information are correct for:

    Option: 1

    Morphine


    Option: 2

    Heroin


    Option: 3

    Read Complete Answer

    Begin a career in Medical and Allied Sciences. Admissions Open for

    S-VYASA Deemed to be University B.Sc. Admissions 2026
    Apply

    Recognized as Category 1 University by UGC | Accredited with A+ Grade by NAAC | Scholarships available

    Amity University Noida | Allied Health Sciences Admissions
    Apply

    Ranked as India’s #1 Not for profit pvt. University by India Today

    KCDSH- Krishnadevaraya Dental College & Sciences Admis 2026
    Apply

    Ranked among the top Dental Colleges for 7 consecutive years by India Today poll

    Max Institute of Allied and Paramedical Education (MIAPE)
    Apply

    Get Started With Your Healthcare Career. 2026 Admissions open.

    Emversity Allied Health Programs
    Apply

    Get Job Ready in Healthcare | Employability-Focused Programs

    Virohan Allied & Healthcare Programs
    Apply

    Allied & Healthcare programs | 20+ Partner Universities & Institutes | 98% placement record

    View all Application Forms

    NEET Notifications

    Latest updates

    Explore Career Options

    By Industry
    Orthotist and Prosthetist

    Orthotists and Prosthetists are professionals who provide aid to patients with disabilities. They fix them to artificial limbs (prosthetics) and help them to regain stability. There are times when people lose their limbs in an accident. In some other occasions, they are born without a limb or orthopaedic impairment. Orthotists and prosthetists play a crucial role in their lives with fixing them to assistive devices and provide mobility.

    6 Jobs Available
    Pathologist

    A pathologist is required to examine body fluids, tissues, and organs with the help of laboratory tests and microscopic examinations. Pathologists often work in hospitals and diagnostic labs, often assisting doctors when it comes to treatment decisions. Due to the increased demand for diagnostic services, pathology offers good career opportunities in clinical practices, research and academics. 

    5 Jobs Available
    Veterinary Doctor

    A Veterinarian is responsible for diagnosing, treating, and preventing diseases in animals. The individual performs surgeries, guides nutrition, and provides animal care. A Bachelor’s in Veterinary Science (B.Vsc.) is a mandatory degree. The profession brings together medical knowledge and a strong commitment to animal welfare. 

    5 Jobs Available
    Speech Therapist

    A Speech Therapist (Speech-Language Pathologist) diagnoses and treats speech, language, communication, and swallowing disorders across all ages. They work in hospitals, schools, clinics, and more. Becoming an SLP requires a master’s degree, clinical training, and certification. With rising demand, the career offers rewarding opportunities in therapy, education, and research.

    4 Jobs Available
    Gynaecologist

    A gynaecologist is a medical specialist in women’s reproductive health, handling issues like menstruation, fertility, pregnancy, and childbirth. They perform exams, surgeries, and offer family planning services. To become one, students must complete MBBS and postgraduate training. Gynaecologists work in hospitals or clinics and are in high demand, with salaries growing significantly with experience. 

    4 Jobs Available
    Audiologist

    The audiologist career involves audiology professionals who are responsible to treat hearing loss and proactively preventing the relevant damage. Individuals who opt for a career as an audiologist use various testing strategies with the aim to determine if someone has a normal sensitivity to sounds or not. After the identification of hearing loss, a hearing doctor is required to determine which sections of the hearing are affected, to what extent they are affected, and where the wound causing the hearing loss is found. As soon as the hearing loss is identified, the patients are provided with recommendations for interventions and rehabilitation such as hearing aids, cochlear implants, and appropriate medical referrals. While audiology is a branch of science that studies and researches hearing, balance, and related disorders.

    3 Jobs Available
    Oncologist

    An oncologist is a medical doctor who diagnoses and treats cancer using chemotherapy, radiation, surgery, and other therapies. They work with a team to create treatment plans tailored to each patient. Specialisations include medical, surgical, radiation, pediatric, gynecologic, and hematologic oncology. Becoming an oncologist in India requires an MBBS and postgraduate studies in oncology.

    3 Jobs Available
    Biochemist

    A biochemist studies the chemical processes within living organisms, combining chemistry and biology. They conduct experiments, analyse data, and develop products like drugs and vaccines. Biochemists work in labs, healthcare, research, and education. A degree in biochemistry or related fields is essential, with advanced roles often requiring higher degrees. They also ensure quality control and may teach or mentor others.

    2 Jobs Available

    Never miss NEET update

    Get timely NEET updates directly to your inbox. Stay informed!