Calculate the weight of lime (CaO) obtained by heating 200 kg of 95% pure lime stone (CaCO3).

The percentage of nitrogen in urea (NH2CONH2), is;

Given below are two statements: Statement I: Average atomic mass of chlorine is fractional. Statemen

For the reaction, when 2 mole of ammonia and 3 mol of oxygen are allowed to react then;

The flasks of same volume are filled with , and respectively at same temperature and pressure. The w

Four gram of mixture of calcium carbonate and sand is treated with excess of HCl and 0.880 g of carb