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Q. |
Which of the following is used for refrigeration? |
A. | Sulphur dioxide |
B. | Chlorine |
C. | Freon |
D. | Phosphine |
Answer» C. Freon | |
Explanation: Common refrigerants used in domestic refrigerators are Freon, neon and nitrogen. It flows through four components of refrigerator again and again. |
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