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Question

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?

A
It will turn red litmus blue.
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B
It will turn blue litmus red.
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C
No change is observed on litmus paper.
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D
Turns turmeric powder red.
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Solution

The correct option is C No change is observed on litmus paper.

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