Aluminium foils are used for:

wrapping chocolates and food stuff

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to prepare hydrogen

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both

A

and

B

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none of these

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Solution

The correct option is B both $A$ and $B$
Aluminium foils are impermeable to oxygen and water; thus are used for wrapping chocolates and foodstuff.

It can be used for the preparation of hydrogen using the reaction of aluminium foil with a sodium hydroxide solution.

$2 A l + 2 N a O H + 6 H_{2} O \to 2 N a [A l (O H)_{4}] + 3 H_{2} ↑$

Hence, the correct option is $C$

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Similar questions

Aluminium foil is used for packing food items like biscuits, chocolates etc because:

Why aluminium foils are used to wrap food items?

Name the metal which is used to make thin foils for packaging medicines, chocolates,and food items,etc.

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Aluminium foils are used to wrap food items

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