Question

Match the substances given in Column A with their uses given in Column B.

A B
(i) Gold (a) Thermometers
(ii) Iron (b) Electric wire
(iii) Aluminium (c) Wrapping food
(iv) Carbon (d) Jewellery
(v) Copper (e) Machinery
(vi) Mercury (f) Fuel

NCERT Class VIII
Science - Main Course Book

Chapter 4. Materials: Metals and Non-metals

Answer 1

Gold=jewellery, aluminum=wrapping food , Mercury=thermometer, copper=electric wire , iron=machinery , carbon=fuel

Answer 2

The matching results are:

(i) gold- (d) jewelry

(ii) iron- € machinery

(iii) Aluminium (c) Wrapping food

(iv) Carbon (f) Fuel

(v) copper, (b) Electric wire

(vi) mercury (a) thermometers

All the matching words are related to each other like gold is used for making jewelry.    

Thermometers have mercury inside and electric wires are mostly made with copper for great conductivity.  

Carbon is produced by combustion of fuel, etc.