
PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnswer 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. |