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Which element on treatment with caustic ...

Which element on treatment with caustic soda solution produces `H_(2)` gas?

A

Zn

B

Al

C

Na

D

Ag

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The correct Answer is:
B
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ALLEN-HYDROGEN-EXERCISE-5
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  8. Assertion : Water has a boiling point higher than that of H(2)S. Rea...

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  9. Assertion : H(2)O(2) react with PbS to form PbSO(4). Reason : H(2)O(...

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  10. Assertion : Molar mass of D(2)O is more than than of protium oxide. ...

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  11. Assertion (A) The O-O bond length in H(2)O(2) is shorter than that in ...

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  14. Assertion : Hydrogen cannot be prepared in laboratory. Reason : Hydr...

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  18. Assertion : Sulphur is oxidised by H(2)O(2) in presence of Fe(III) R...

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