Question

9. The law of conservation of mass was given by:
c. Lavoisier
d. Berzelius
a. Dalton
b. Proust
10. If 1.4 g of calcium oxide is formed by the complete decomposition of calcium carbonate,
then the amount of calcium carbonate taken and the amount of carbon dioxide formed
will be respectively:
a. 2.2 g and 1.1g b. 1.1 g and 2.5 g c. 2.5 g and 1.1 g d.5.0 g and 1.1 g​

Answer 1

lavoisier given the laws of conservation of mass

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Answer 2

Answer:

C. Lavoisier

Antoine Lavoisier gave the law of mass