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Electrochemical Principles

A solid ‘X’ i...

Question

A solid ‘X’ is formed on roasting a metal sulphide ore. X reacts with both hydrochloric acid and sodium hydroxide to give corresponding salts. Identify the metal present in the ore.

A

Iron

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B

Copper

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C

Zinc

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D

Calcium

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Solution

The correct option is C Zinc

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Q. A solid ‘X’ is formed on roasting a metal sulphide ore. The metal has 30 protons in it. If 'X' reacts with both hydrochloric acid and sodium hydroxide to give corresponding salts, which of the given can be observed upon addition of salt to indicators?

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