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Byju's Answer
Standard VIII
Chemistry
Reaction of Metals with Water/Steam
Which of the ...
Question

Which of the following element reacts with cold water vigorously?

A
Carbon
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B
Sodium
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C
Magnesium
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D
Sulphur
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Solution

The correct option is B Sodium
Sodium reacts with cold water vigorously because Na is much more active than hydrogen and hence displaces H in H2O to form NaOH.

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Standard VIII Chemistry
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