Avogadro's Law MCQ - Practice Questions with Answers

If a mixture containing 3 moles of Hydrogen and 1 mole of Nitrogen is converted completely into Ammonia, the ratio of initial and final volume under the same temperature and pressure would be: 

A and B are two identical vessels. A contains 15 g Ethane at 1atm and 298 K. The vessel B contains 75 g of a gas X₂ at same temperature and pressure. The vapour density of X₂ is : 

500 ml of a hydrocarbon gas burnt in excess of Oxygen yields 2500 ml of CO₂ and 3 of liters water vapours. All volume is measured at the same temperature and pressure. The formula of the Hydrocarbon is