MCQOPTIONS
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| 1. |
The temperature of the substance remains constant when it is melting and boiling though some quantity of heat is supplied. What happens to this energy? |
| A. | It is dissipated as sound energy |
| B. | It is consumed to increase the energy of the molecules |
| C. | It is used to change the state of the substance |
| D. | It is still an unsolved problem in science |
| Answer» D. It is still an unsolved problem in science | |