Question

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Answer 1

Question:

2. Name the metals which do not react with sulphuric acid.

3. Why should the foodstuffs like orange juice, pickles and curd not be kept in iron or aluminium containers?

Answer:

2. The metals which do not react with sulphuric acid are gold and platinum.

3. The foodstuffs like orange juice, pickles, chutney and curd should not be kept in iron or aluminium containers.

Explanation:

2. Metals like gold and platinum are noble metals. They do not react with any acid, base, gas.

3. The containers made of iron and aluminium can be rusted due to oxygen and other gases.

This rust makes the foodstuffs poisonous.

It may lead to death.

Hence,

The foodstuffs like orange juice, pickles, chutney and curd should not be kept in iron or aluminium containers.