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Question

Valency can be defined as the same number of hydrogen atoms or double the number of oxygen atoms that element combines with.

A
True
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B
False
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Solution

The correct option is A True
Valency is defined as:
The maximum number of univalent atoms (originally hydrogen or chlorine atoms) that may combine with an atom of the element under consideration.
or
The number of hydrogen atoms that can combine with an element in a binary hydride or twice the number of oxygen atoms combining with an element in its oxide or oxides.
Statement is true

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