Which of the following statements best explains the law of conservation of mass?

Chemistry · Class 11 · CBSESome Basic Concepts of Chemistry

Which of the following statements best explains the law of conservation of mass?
  1. 100 g of water is heated to give steam.
  2. A sample of N2 gas is heated at constant pressure without any change in mass.
  3. 36 g of carbon combines with 32 g of oxygen to form 68 g of CO2.
  4. 10 g of carbon is heated in vacuum without any change in mass.

Answer

(C) 36 g of carbon combines with 32 g of oxygen to form 68 g of CO 2 .

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