In water, Hydrogen is present ________by mass.

A. 22%

B. 11.11%

C. 31.13%
D. 15.15%
In water, Hydrogen is present ________by mass. | 11.11% | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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