Question

This question paper consists of a total of 30 questions.
SECTION-A
1. What is meant by Dry ice?
2. Mention two factors that need to be varied to liquefy atmospheric gases.
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Answer 1

Answer:

dry ice is a powder that is part of a type of ice ....

Answer 2

Explanation:

the cold dense white Mist produced by solid carbon dioxide in air.

factors:-

increase the pressure

decrease the temperature

hope it will help you