Question

why aluminium ,iron,zinc react with steam cold water vapour ?​

Answer 1

Answer:

When zinc reacts with steam, zinc oxide and hydrogen gas are produced. The reaction is similar to the one between magnesium and steam but is slower. The zinc reacts slower with the steam than magnesium and does not glow brightly as it is converted to zinc oxide.

Explanation:

Answer 2

But when steam is passed over aluminium metal; aluminium oxide and hydrogen gas are produced. Reaction of zinc metal with water: Zinc metal produces zinc oxide and hydrogen gas when steam is passed over it. Zinc does not react with cold water.

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