MCQOPTIONS
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| 1. |
Exothermic changes are changes in which: |
| A. | Heat is absorbed. |
| B. | Heat is liberated. |
| C. | Both [a] and [b] |
| D. | Either [a] or [b] |
| E. | None of these |
| Answer» C. Both [a] and [b] | |