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Home / General Knowledge / General Knowledge Question Answers – Series 2

General Knowledge Question Answers – Series 2

This is the set of another 15 questions from general awareness with the solved answers. If you are preparing hard for the competitive exams, then this sort of article is meant for you only. Try to solve it with your own knowledge before hovering into the answer section.

1. If four balloons A, B, C and D are filled with hydrogen, helium and nitrogen gases respectively and left in air, which balloon reaches to the highest distance from the Earth?

Answer Options:

a. Balloon A
b. Balloon B
c. Balloon C
d. Balloon D

Answer

Answer

Balloon A

2. Which one among the following is a strong smelling agent added to LPG cylinder to help in the detection of gas leakage?

Answer Options:

a. Ethanol
b. Thioethanol
c. Methene
d. Chloroform

Answer

Answer

Thioethanol

3. Which one among the following is the main ingredient in cement?

Answer Options:

a. Gypsum
b. Limestone
c. Clay
d. Ash

Answer

Answer

Limestone

general awareness solutions

4. Which one among the following substances evolve heat when dissolved in water?

Answer Options:

a. Potasium Nitrate
b. Sodium Chloride
c. Glucose
d. Calcium Oxide

Answer

Answer

Calcium Oxide

5. Among the following elements, which one is not present in pure sugar?

Answer Options:

a. Carbon
b. Hydrogen
c. Nitrogen
d. Oxygen

Answer

Answer

Nitrogen

6. Human stomach produces acid ‘X’ which helps in digestion of food. Acid ‘X’ is:

Answer Options:

a. acetic acid
b. methanoic acid
c. hydrochloric acid
d. citric acid

Answer

Answer

hydrochloric acid

7. Which one of the following is an element?

Answer Options:

a. Topaz
b. Diamond
c. Ruby
d. Sapphire

Answer

Answer

Diamond

8. Which one of the following types of glass can cut off ultraviolet rays?

Answer Options:

a. soda glass
b. pyrex glass
c. jena glass
d. crookes glass

Answer

Answer

crookes glass

9. Which Uranium isotope is used in nuclear power plants to produce electricity?

Answer Options:

a. U – 233
b. U – 234
c. U – 235
d. U – 239

Answer

Answer

U – 235

10. A student by chance mixed acetone with alcohol. The mixture of acetone and alcohol can be separated by:

Answer Options:

a. filtration
b. seperating funnel
c. fractional crystallisation
d. fractional distillation

Answer

Answer

fractional distillation

11. Which one among the following is called philosopher’s wool?

Answer Options:

a. zinc bromide
b. zinc nitrate
c. zinc oxide
d. zinc chloride

Answer

Answer

zinc oxide

12. Which one among the following metals is prominently used in mobile phone batteries?

Answer Options:
a. copper
b. zinc
c. nickel
d. lithium

Answer

Answer

zinc

13. Glass is a:

Answer Options:

a. vitrified liquid
b. crystalline material
c. semi-solid
d. sublimation of iodine

Answer

Answer

vitrified liquid

14. Who among the following proposed that atom is indivisible?

Answer Options:

a. Dalton
b. Berzelius
c. Rutherford
d. Avogadro

Answer

Answer

Dalton

15. Silver ware turns black after a period of time due to formation of:

Answer Options:

a. Nitrate coating on silver
b. Sulphide coating on silver
c. Chloride coating on silver
d. Oxide coating on silver

Answer

Answer

Sulphide coating on silver

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