General Science 4

General Science Quiz 4

1)

Which of the following is not a bleaching agent?

A) Sulpher di-oxide
B) Carbon di-oxide
C) Sodium hypochlorite
D) Chlorine

2)

The gas usually filled in electric bulb is —

A) Hydrogen
B) Oxygen
C) Nitrogen
D) Carbon di-oxide

3)

Heavy water is —

A) Tritium oxide
B) Deuterium oxide
C) Rain water
D) Water at 4°C

4)

The gases used in different types of welding would include —/div>

A) Oxygen & Hydrogen
B) Oxygen, acetylene & argon
C) Oxygen & acetylene
D) Oxygen, hydrogen & nitrogen

5)

Which of the following alloys is used for making magnets ?

A) Duralumin
B) Stainless Steel
C) Alnico
D) Magnelium

6)

Hydrogen bomb is based on the principle of

A) uncontrolled fusion reaction
B) controlled fusion reaction
C) uncontrolled fission reaction
D) controlled fission reaction

7)

Which type of glass is used for making glass reinforced plastic?

A) Fibre glass
B) Quartz glass
C) Flint glass
D) Pyrex glass

8)

Supersonic Jet causes pollution by thinning of

A) CO2 layer
B) O2 layer
C) O3 layer
D) SO2 layer

9)

Who invented penicillin?

A) Louis Pasteur
B) Alexander Fleming
C) Dreser
D) Edward Jenner

10)

Solar energy is due to

A) fission reactions
B) combustion reactions
C) chemical reactions
D) fusion reactions