Question
Which of the following metal on reaction with cold water liberates hydrogen gas but does not float on water (unlike Calcium) due to its vigorous reaction (with water)?
Answer: Option A
:
A
Metals such as potassium and sodium react violently with cold water. The reaction is so violent and exothermic that the evolved hydrogen immediately catches fire.
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:
A
Metals such as potassium and sodium react violently with cold water. The reaction is so violent and exothermic that the evolved hydrogen immediately catches fire.
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