(C) Magnesium $(Mg)$ does not react with cold water. It reacts with hot water to form magnesium hydroxide $(Mg(OH)_2)$ and hydrogen gas $(H_2)$. It al

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It reacts with cold water to form magnesium oxide and evolves hydrogen gas.

(C) Magnesium $(Mg)$ does not react with cold water. It reacts with hot water to form magnesium hydroxide $(Mg(OH)_2)$ and hydrogen gas $(H_2)$. It also reacts with steam to form magnesium oxide $(MgO)$ and hydrogen gas $(H_2)$. Therefore,the statement that it reacts with cold water to form magnesium oxide is incorrect.

Class 10 Science Metals and Non-metals Mix Examples - Metals and Non-metals

Medium

Which among the following statements is incorrect for magnesium metal?

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