Assertion (A) : Sodium is soft metal and can react with cold water Reason (R): The metals which are noble and chemically less reactive are found in free state.
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Answer:
sodium is soft metal and can react with cold water because.
Explanation:
Sodium is a light and soft metal that reacts vigorously with cold water.Tthe reaction is so violent and exothermic that the evolved hydrogen immediately catches fire.
2Na+2H
2
O→2NaOH+H
2
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