Question

NO and NO, are two oxides of nitrogen.
Which law of chemical combinations is illustrated
by these compounds?
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Answer 1

Answer:

laws of constant proportion

Answer 2

Answer:

This is the law of Multiple proportions

It states that : If two elements say A and B combine together to form more than one compound, then several masses of A which separately combine with B are in a simple ratio. It ascertains that two elements may combine to form more than one product