alleryIn water, the ratio of the mass of hydrogen to the mass of oxygen is always:
A2 : 1
B1 : 8
C8 : 1
D1 : 2
Answer & Solution
Correct answer: B. 1 : 8
1. Water is H2O: two H atoms (mass 1 each = 2) and one O atom (mass 16).
2. Mass ratio of hydrogen to oxygen = 2 : 16.
3. This simplifies to 1 : 8.
_Source: RRB Group D CEN-02/2018 PYQ, Q.12._
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