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Hydrogen sulphide gas can act as?

Chemistry
JAMB 2009

Hydrogen sulphide gas can act as?

  • A. an oxidizing agent
  • B. a dehydrating agent
  • C. a bleaching agent
  • D. a precipitating agent
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Correct Answer: Option D
Explanation

When Hydrogen sulphide gas is bubbled through solutions of such metals, the colored sulphides are precipitated.

Hydrogen sulphide is a also strong reducing agent.

There is an explanation video available below.

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Explanation Video

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