1. The flame used for container X is stronger than that used for container Y. |
2. Container X is better conductor of heat than container Y, |
3. The water in container X was colder than that in container Y at the beginning of the experiment. |
A) 1 only
B) 2 only
C) 1 and 2 only
D) 1, 2 and 3
Correct Answer: C
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