PDF chapter test TRY NOW
Answer the following questions using the data given below:
1.
| Assertion: | At higher temperatures, a chemical reaction becomes faster. |
| Reason: | Molecular motion becomes more rapid at higher temperatures. |
2.
| Assertion: | In the following chemical equation, \(CuO\)(s) + \(Zn\)(s) \(\xrightarrow[]{}\) \(ZnO\)(s) + \(Cu\)(s), zinc is getting oxidised, and copper oxide is getting reduced. |
| Reason: | The process in which oxygen is added to a substance is called oxidation whereas the process in which oxygen is removed from a substance is called reduction. |
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