Q23 of 102 Page 76

Name the metal which is used in making thermometers.

Mercury is used for making thermometers. It is liquid at room temperature and is a very good conductor of heat. Even a slightest change in temperature can be noted by using mercury.


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21

Name two metals which are used for making cooking utensils and water boilers for factories.

 22

Name two metals which are used for making electric wires.

 24

Which metal is used to galvanize iron to protect it from rusting?

 25

Name the metal which is used to make thin foils for packaging medicines, chocolates, and food items, etc.