Punjab Police Department Papers - 2017 :: Discussion


11.One molecule of water is composed of:
A.Two Hydrogen atoms,Two Oxygen atoms
B.One atom of Hydrogen, one atom of Oxygen
C.Two atoms of Hydrogen,One atom of Oxygen
D.One atom of Hydrogen, two atoms of Oxygen
Answer:  Option  C
Explanation:

Tutorial Link:
Published by:Nimra Saeed

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