UPSC Essentials brings to you its initiative of subject-wise quizzes. These quizzes are designed to help you revise some of the most important topics from the static part of the syllabus. Attempt today’s subject quiz on Science and Technology to check your progress.

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QUESTION 1

Which of the following chemicals is/are used as a dispersing substance in the process of cloud seeding?

1. Silver iodide

2. Sodium chloride

3. Ammonium nitrate

4. Calcium carbonate

Select the correct answer using the codes given below:

(a) 1 only

(b) 1 and 2 only

(c) 2, 3 and 4

(d) 1, 2 and 3

Explanation

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