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.
Answers
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Answer:
dry ice is a powder that is part of a type of ice ....
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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
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