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1. |
10.0 g of\[\text{CaC}{{\text{O}}_{\text{3}}}\] on heating gave \[\text{4}\text{.4 g}\]of \[\text{C}{{\text{O}}_{\text{2}}}\]and 5.6 g of\[CaO\]. The observation is in agreement with the |
A. | law of constant composition |
B. | law of multiple proportion |
C. | law of reciprocal proportion |
D. | law of conservation of mass |
Answer» E. | |