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Question

A sample of Ammonia molecule irrespective of source contains 82.35% of nitrogen and 17.65% of hydrogen by mass obeys:


A

Avogadro's law

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B

Law of conservation of mass

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C

Law of multiple proportion

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D

Law of definite proportion

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Solution

The correct option is D

Law of definite proportion


  1. The molecular formula of Ammonia is NH3
  2. When we take any mass of ammonia, it would contain a definite amount of nitrogen and hydrogen.
  3. This amount must be 82.35% nitrogen and 17.65%hydrogen.
  4. This is according to the law of Definite proportion.

Hence, the correct answer is Option D.


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