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Question

Which of the following regarding alkali metals is not correct?

A
They tarnish in air
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B
They are kept under kerosene
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C
All alkali metals form oxides on burning in air
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D
Reaction of water with alkali metal becomes more violent on going down the group
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Solution

The correct option is C All alkali metals form oxides on burning in air
Reaction of water with alkali metal becomes more violent on going down the group

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