Which of the following data illustrated the law of conservation of mass?

Chemistry · JEE Main · NTA Exams — Some Basic Concepts in Chemistry

1. 12 g of C is heated in vacuum and on cooling there is no change in mass.
2. 1.70 g of AgNO₃ react with 100ml of 0.1M HCI to produce 1.435 g of AgCl and 0.63 g of HNO₃.
3. 56 g of CO reacts with 32 g of oxygen produce 44 g of CO₂.
4. None of these

Answer

(B) 1.70 g of AgNO 3 react with 100ml of 0.1M HCI to produce 1.435 g of AgCl and 0.63 g of HNO 3 .

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