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Question

Which among the following statements is incorrect for magnesium metal?

A
It burns in oxygen with a dazzling white flame
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B
It reacts with cold water to form magnesium oxide and evolves hydrogen gas
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C
It reacts with hot water to form magnesium hydroxide and evolves hydrogen gas
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D
It reacts with steam to form magnesium hydroxide and evolves hydrogen gas
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Solution

The correct option is D It reacts with cold water to form magnesium oxide and evolves hydrogen gas
Magnesium never reacts with cold water. It only reacts with hot water or steam to form its hydroxide and hydrogen gas is evolved.

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