32. Which of the following is used as refrigerant
1) SO2
2) CHCI3
4) CF C12
3) Sic
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32. Which of the following is used as refrigerant
1) SO2
2) CHCI3
4) CF C12
3) Sic
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Answer:
CF C12
Explanation:
CF C12 is a colour less gas and produce cooling effect in refrigerator.
Answer:ccc
Explanation:
Cccccc