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Delhi Police SI Common Chemical Compounds — practice questions

Explore 1 free Common Chemical Compounds questions in Delhi Police SI Science. Open each question or exercise to read its content, reference answers and available explanation.

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Common Chemical Compounds questions and exercises with answers

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Which compound is commonly used as a drying agent?Read the answer and worked solution →

Worked practice questions

Which compound is commonly used as a drying agent?

  1. Calcium carbide
  2. Gypsum
  3. Calcium carbonate
  4. Calcium oxide
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Correct answer: D. Calcium oxide

1. A drying agent absorbs moisture readily. 2. Calcium oxide (quicklime) reacts vigorously with water. 3. So calcium oxide is used as a drying agent. _Source: RRB Group D CEN-02/2018 PYQ, Q.83._

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