Question

Name a metal in each case .
1) it dose not react with cold as well as hot water but reacts with steam .
2) It does reacts with water
3) It reacts with dil HNO3 to evolve H2 gas ,​

Answer 1

Answer: Magnesium has almost no reaction with cold water. It reacts very slowly with hot water.  It reacts with steam when being heated and gives hydrogen gas and metal oxide.

Magnesium + Water →  Magnesium hydroxide + Hydrogen gas

Zinc and iron do not react with cold or hot water.  They react with  steam slowly to give the respective oxides:

Zinc + Steam →  Zinc oxide  + Hydrogen gas

Iron + Steam → Iron(II) iron(III) oxide  + Hydrogen gas

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Answer 2

Answer:

here is your answer mate...

Explanation:

iron

sodium

magnesium

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