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Question #136,211

Uppcs Pyq English MCQ

Q.Why does the liquid in a thermos flask stay hot/cold for a long time?

Correct answer: (a) and (b)

Explanation
According to the source PDF, the correct answer is: (a) and (b).

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Question details

Category: Uppcs Pyq
Language: English
Format: Multiple choice
Level: Moderate

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