Aluminium reacts with a substance P to produce a gas Q that burns with a pop sound. Identify P and Q.

*More than one option may be correct.

P: Iron chloride, Q: Chlorine

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P: Sulphuric acid, Q: Hydrogen

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P: Iron hydroxide, Q: Oxygen

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P: Sodium hydroxide, Q: Hydrogen

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Solution

The correct option is D P: Sodium hydroxide, Q: Hydrogen
Metals, like aluminium, react with acids and bases to produce salt and release hydrogen gas. Hydrogen gas burns with a pop sound.

Aluminium + Sulphuric acid → Aluminium sulphate + Hydrogen gas

Aluminium + Sodium hydroxide → Sodium aluminate + Hydrogen gas

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Aluminium reacts with a substance P to produce a gas Q that burns with a pop sound. Identify P and Q. *More than one option may be correct.

Aluminium reacts with a substance P to produce a gas Q that burns with a pop sound. Identify P and Q.

*More than one option may be correct.