2.85g of an oxide of copper gave 2.52g of copper on reduc...
2.85g of an oxide of copper gave 2.52g of copper on reduction and 1.90g of another oxide gave 1.52g of copper on reduction. The data above illustrates the law of?
constant composition
conservation of mass
reciprocal proportions
multiple proportions
Correct answer is D
No explanation has been provided for this answer.
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