NCERT Exemplar VII — task. Science CBSE, Class 10.

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Multiple Choice Questions:

1. Pentane has the molecular formula \(C_5H_1{_2}\). It has

17 covalent bonds
16 covalent bonds
12 covalent bonds
5 covalent bonds

2. Ethanol reacts with sodium and forms two products. These are

sodium ethanoate and hydrogen
sodium ethoxide and hydrogen
sodium ethoxide and oxygen
sodium ethanoate and oxygen

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