Calcium reacts __________ with water and forms calcium hydroxide and liberates hydrogen gas.

vigroushly

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Solution

The correct option is A vigroushly
Calcium reacts vigorously even with cold water and forms calcium hydroxide and liberates hydrogen gas.
$C a + 2 H_{2} O \to C a (O H)_{2} + H_{2} ↑$
Hence, the option (A) is the correct answer.

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Calcium reacts __________ with water and forms calcium hydroxide and liberates hydrogen gas.

The correct option is A vigroushlyCalcium reacts vigorously even with cold water and forms calcium hydroxide and liberates hydrogen gas.Ca+2H2O→Ca(OH)2+H2↑Hence, the option (A) is the correct answer.

The correct option is A vigroushly
Calcium reacts vigorously even with cold water and forms calcium hydroxide and liberates hydrogen gas.
$C a + 2 H_{2} O \to C a (O H)_{2} + H_{2} ↑$
Hence, the option (A) is the correct answer.