Q:1

Alkenes undergo _______?

Addition reaction

Substitution reaction

Both addition & substitution reaction

None of these

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Q:2

Nitrogen is present in free state in air as a major constituent about?

58%

38%

70%

78%

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Q:3

The non-metals in Group IV A are?

Carbon, silicon

Tin and Lead

All of the above

None of the above

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Q:4

Finely divided iron is used in _______:

Haber process

Catalytic Hydrogenation

Oxidation of ammonia to nitric oxide

Contact process

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Q:5

The bond between Hâ€“H is

weaker than the bond between Hâ€“Cl

stronger than the bond between Hâ€“Cl

neither stronger nor weaker than the bond between Hâ€“Cl

none of these

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Alkenes undergo _______?

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Nitrogen is present in free state in air as a major constituent about?

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The non-metals in Group IV A are?

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Q:4

Finely divided iron is used in _______:

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Q:5

The bond between Hâ€“H is

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