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Chemistry CBSE Live product
Class 9
Atoms and molecules
PT2 Revision I - Atoms and molecules
3.
Law of definite proportions
Question:
2
m.
Choose the best answer:
Two samples of carbon monoxide (\(CO\)) are decomposed. Sample '\(A\)' has \(12 g\) of carbon and \(16 g\) of oxygen. Sample '\(B\)' has \(24 g\) of carbon and \(32 g\) of oxygen. Do they follow the law of constant proportions?
Yes, but only sample '\(B'\) is \(CO\)
No, oxygen is double in sample '\(B\)'
Yes, same \(C:O\) ratio in both
No, ratios are different
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