Question

three metals X,Y and Z are provided to you X is extremely soft and reacts with cold water . Y reacts with hot water while red hot Z can only react with steam identify the metals and write their reaction with water

Answer 1

X is Potassium.

It is a soft metal.
It can be cut with a knife.
It reacts vigorously with cold water.
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Y is Magnesium.
It reacts with hot water.
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Z is Iron.
It does not react with hot or cold water but reacts only with steam.
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Hope it helps.............