MCQOPTIONS
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| 1. |
Which of the following' is incorrect about physical changes? |
| A. | No new substance is formed. |
| B. | Are reversible changes. |
| C. | a slow, irreversible and desirable, chemical change. |
| D. | Are irreversible changes. |
| E. | None of these |
| Answer» E. None of these | |