Sir/Madem, Questin and answers sheet are attached herewith . What is the difference between the two questions?
Please explain
With answer
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Answer: 1. (A) 2. (C) {Might be}
Explanation:
Meaning of 1st Question:
It is asked that which is the substance that acts as or is a refrigerant. You have to choose the substance that is used for cooling.
Meaning of 2nd Question:
It is asked as above only that which is the compound used as refrigerant or cooling.
Basically both the questions are same only. Nothing more is different.
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