Question

Match the substances given in Column I with their uses given in Column II.

Column - I	Column - II
A. Gold	1. Thermometers
B. Iron	2. Electric wire
C. Aluminium	3. Wrapping food
D. Carbon	4. Jewellery
E. Copper	5. Machinery
F. Mercury	6. Fuel

• A. A - 4, B - 5, C - 3, D - 6, E - 2, F - 1
• B. A - 4, B - 5, C - 3, D - 1, E - 2, F - 6

Answer 1

The correct option is A A - 4, B - 5, C - 3, D - 6, E - 2, F - 1

(A) Gold - (4)

• Gold is widely used in making jewellery because it is lustrous so shiny in appearance.

(B) Iron - (5)

• Iron being a metal which is cheap and a very hard metal so it gets used in making machines.

(C) Aluminium - (3)

• Aluminium is a malleable metal and it is beaten into thin foil which is used for wrapping food.

(D) Carbon - (6)

• Coal that contain carbon is used as a fuel in steam engines.

(E) Copper - (2)

• Copper is a ductile metal, and it is a good conductor of electricity. Thus, it can be drawn into thin wires.

(F) Mercury - (1)

• Mercury is the only metal that exists as a liquid at room temperature, it is a good conductor of heat. Hence, used in making thermometers.