PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Answer the following questions using the data given below:
 
1.
Assertion: Under Kerosene, sodium metal is stored.
Reason: When exposed to air, metallic sodium melts.
 
 
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.