Calcium reacts __________ with water and forms calcium hydroxide and liberates hydrogen gas.
A
vigroushly
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B
slowly
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C
violently
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D
uniformally
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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. Ca+2H2O→Ca(OH)2+H2↑ Hence, the option (A) is the correct answer.