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MCQ
In water, the ratio of hydrogen to oxygen by mass is always ____.
Unit-1 Nature of Science in Chemistry
A 2 : 1
B 1 : 8
C 1 : 2
D 8 : 1
Explanation

In water (H2O), 2 parts by mass of hydrogen combine with 16 parts by mass of oxygen, so the fixed mass ratio is 1 : 8.

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