NCERT Exemplar VI — task. Science CBSE, Class 8.

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1. Why is a layer of zinc coated over iron?

The layer of zinc is coated over iron because of the

Zinc prevents it from rust and corrosion
Zinc gives shiny appearance
Zinc is a good conductor than iron
Zinc absorbs heat easily

2. Will the solution of sugar in distilled water conduct electricity?

No, it does not conduct electricity.
Yes, it partially conducts electricity.
No, distilled water does not conduct electricity, but sugar solution in distilled water conducts.
Yes, distilled water does not conduct electricity, but sugar solution in distilled water conducts.

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