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Nitrogen and hydrogen in ammonia are always present in a mass ratio of:
A11 to 6
B14 to 3
C13 to 4
D12 to 5
Answer & Solution
Correct answer: B. 14 to 3
1. Ammonia is a compound with a fixed composition.
2. Its two elements keep a constant mass ratio.
3. That ratio is 14 to 3.
_Source: syllabus Science Class IX, Chapter 3, Atoms and Molecules._
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