Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ
JEE Main & Advanced
Chemistry
Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ
Question Bank
Laws of chemical combination
question_answer
A sample of calcium carbonate \[(CaC{{O}_{3}})\] has the following percentage composition : Ca = 40%; C = 12%; O = 48% If the law of constant proportions is true, then the weight of calcium in 4 g of a sample of calcium carbonate obtained from another source will be