Question

Metals and non metals- worksheet-class 8
Give reason
a]Silver is widely used in making mirrors.
b] Iron sheets are galvanized before use​

Answer 1

A.Because silver is shiny and is a good reflector. It reflects about 90 percent of light falling on it. That is why, it is used for making high reflectingmirrors.

B.The iron sheets are galvanized before use to prevent it from rusting . The iron sheets are dipped into the solution containing zinc and this zinc makes a thin layes on iron.