General Science Questions (MCQs) for Competitive Exam

General Science Questions: Hello students, today we are going to Read some important Questions of General Science Questions through the article which will prove to be very useful for the upcoming Examinations.

All general science questions are going to be very important for the examinations like SSC, JSSC, UPSSSC, UPSC, BANK, RAILWAY, ARMY, etc. The questions are very important.

The Importance of General Science

General Science is a fundamental aspect of our education system, and it plays a vital role in our daily lives. From the very beginning of formal education, it lays the foundation for understanding the world around us. In this article, we will explore the significance of general science in education, its everyday applications, contributions to innovation, and its role in fostering problem-solving skills and critical thinking.

Questions

Q1. Quartz crystals normally used in quartz clocks etc. is chemically.

(A) Silicon Dioxide

(B) Germanium Oxide

(C) A mixture of Germanium Oxide and Silicon dioxide

(D) Sodium Silicate

Ans-A

Q2. Tetraethyl lead is used.

(A) Pain Killer

(B) Fire Extinguisher

(C) Mosquito Repellent

(D) Petrol Additive 

Ans-D

Q3. Bromine is a-

(A) Black Solid

(B) Red Liquid 

(C) Colourless Gas

(D) Highly inflammable gas

Ans-B

Q4. Which of the following is used as a lubricant?

(A) Graphite

(B) Silica

(C) Iron Oxide

(D) Diamond

Ans-A

Q5. Which of the gases is not known as a greenhouse gas?

(A) Methane

(B) Nitrous oxide

(C) Carbon dioxide

(D) Hydrogen 

Ans-D

Q6. The chemical formula for water is

(A) NaA1O2

(B) H2O 

(C) Al2O3

(D) CaSiO3

Ans-B

General Science

Q7. Which of the following metals forms an amalgam with other metals?

(A) Tin

(B) Mercury 

(C) Lead

(D) Zinc

Ans-B

Q8. The property of a substance to absorb moisture from the air on exposure is called

(A) Osmosis

(B) Deliquescence 

(C) Efflorescence

(D) Desiccation

Ans-B

Q9. The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is

(A) Argon

(B) Xenon

(C) Helium 

(D) Krypton

Ans-C

Q10. The hardest substance available on Earth is

(A) Gold

(B) Iron

(C) Diamond 

(D) Platinum

Ans-C

Q11. Which of the following is used in pencils?

(A) Graphite

(B) Silicon

(C) Charcoal

(D) Phosphorous

Ans-A

Q12. Brass gets discolored in the air because of the presence of which of the following gases in the air?

(A) Oxygen

(B) Hydrogen Sulphide

(C) Carbon dioxide

(D) Nitrogen

Ans-B

Q13. Chlorophyll is a naturally occurring chelate compound in which the central metal is

(A) Copper

(B) Magnesium 

(C) Iron

(D) Calcium

Ans-B

Q14. The tree which sends down roots from its branches to the soil is known as:

(A) Oak

(B) Pine

(C) Banyan 

(D) Palm

Ans-C

General Science MCQ

Q15. The gases used in different types of welding include-

(A) Oxygen and Hydrogen

(B) Oxygen, Hydrogen, Acetylene and Nitrogen

(C) Oxygen, Acetylene and Argon

(D) Oxygen and Acetylene

Ans-D

Q16. Washing soda is the common name fo

(A) Sodium Carbonate 

(B) Calcium Bicarbonate

(C) Sodium Bicarbonate

(D) Calcium Carbonate

Ans-A

Q17. The gas usually fills in the electric bulb is.

(A) Nitrogen 

(B) Hydrogen

(C) Carbon dioxide

(D) Oxygen

Ans-A

Q18. Electric bulb filament is made of

(A) Copper

(B) Aluminum

(C) Lead

(D) Tungsten 

Ans-D

Q19. Which of the following is a nonmetal that remains liquid at room temperature?

(A) Phosphorous

(B) Bromine 

(C) Chlorine

(D) Helium

Ans-B

Q20. The variety of coal in which the deposit contains recognizable traces of the original plant material is

(A) Bitumen

(B) Anthracite

(C) Lignite

(D) Peat 

Ans-D

Nest Page- General Science Questions (MCQs) Set-II

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