Q. Answer the following logical questions
1. Prove that 10+8+9= TEN(10)
2. What is the substituently prime number of 68-45
Q. Identify the substances that are oxidized and the substances that are reduced in the following reaction s.
1. 4Na(s)+O2(g)→2Na2O(s)
2. CuO(s)+H2(g)→Cu(s)+H2O(1)
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