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Q.

Number of mole atoms of hydrogen present in 1 mole of water is:

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a

2

b

1

c

3

d

4

answer is A.

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Detailed Solution

In one mole of water, there are two moles of hydrogen atoms. This is because the chemical formula of water is H2O, indicating that there are two hydrogen atoms per molecule of water. 

Therefore, one mole of water contains 2 moles of hydrogen atoms.

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