Electric current can bring about a chemical change. Explain how this can be shown experimentally. Draw a neat diagram.

What is electroplating? Explain with a neat diagram.

Give four examples of electroplating, clearly bringing out the benefit in each case.

A fire caused due to electric short circuit should not be doused with water. Why?

Gold-plated jewellery shines like original gold jewellery. Still it is quite cheap. Why?

Chromium is a shiny metal that does not corrode. Instead of electroplating iron with chromium, why are sanitary fitting not made of chromium itself?