General Science – Chemistry GK MCQ and Quiz (Set 1)

General Science – Chemistry GK MCQ Quiz for Exam Preparation

General Science – Chemistry GK MCQ quiz for APSC, SSC, UPSC, and other competitive exams. This quiz covers important chemistry topics to help enhance your knowledge and prepare effectively for your exams.


General Science- Chemistry Quiz with MCQ

1. What is the chemical symbol for Gold?

a) Ag
b) Gd
c) Au
d) Ge

(c) Au

2. What is the atomic number of carbon?

a) 6
b) 12
c) 8
d) 4

(a) 6

3. Which gas is known as “Laughing Gas”?

a) Carbon dioxide
b) Nitrous oxide
c) Nitrogen
d) Oxygen

(b) Nitrous oxide

4. What is the pH of pure water at 25°C?

a) 5
b) 6
c) 7
d) 8

(c) 7

5. Which of the following is not an allotrope of carbon?

a) Diamond
b) Graphite
c) Fullerene
d) Sapphire

(d) Sapphire

6. Which element is commonly used in batteries?

a) Lead
b) Zinc
c) Lithium
d) Iron

(c) Lithium

7. What is the formula for methane?

a) CH3
b) CH4
c) C2H6
d) C3H8

(b) CH4

8. Which acid is found in vinegar?

a) Citric acid
b) Acetic acid
c) Lactic acid
d) Tartaric acid

(b) Acetic acid

9. What is the most abundant gas in Earth’s atmosphere?

a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen

(c) Nitrogen

10. Which element has the highest melting point?

a) Iron
b) Tungsten
c) Gold
d) Platinum

(b) Tungsten

11. What type of bond involves the sharing of electrons?

a) Ionic bond
b) Covalent bond
c) Hydrogen bond
d) Metallic bond

(b) Covalent bond

12. Which of the following is a noble gas?

a) Oxygen
b) Chlorine
c) Helium
d) Hydrogen

(c) Helium

13. What is the primary component of natural gas?

a) Methane
b) Ethane
c) Propane
d) Butane

(a) Methane

14. Which metal is the best conductor of electricity?

a) Iron
b) Silver
c) Aluminum
d) Copper

(b) Silver

15. Which acid is commonly found in the stomach?

a) Acetic acid
b) Hydrochloric acid
c) Sulfuric acid
d) Nitric acid

(b) Hydrochloric acid

16. Which of these is a halogen?

a) Sodium
b) Magnesium
c) Fluorine
d) Neon

(c) Fluorine

17. What is the common name for sodium bicarbonate?

a) Baking soda
b) Washing soda
c) Caustic soda
d) Vinegar

(a) Baking soda

18. What is the hardest natural substance?

a) Diamond
b) Iron
c) Quartz
d) Gold

(a) Diamond

19. What element is used in the process of galvanization?

a) Zinc
b) Copper
c) Aluminum
d) Lead

(a) Zinc

20. Which metal is liquid at room temperature?

a) Mercury
b) Lead
c) Silver
d) Gold

(a) Mercury

21. What is the main component of limestone?

a) Calcium oxide
b) Calcium carbonate
c) Magnesium oxide
d) Sodium bicarbonate

(b) Calcium carbonate

22. Which element has the highest atomic number?

a) Uranium
b) Plutonium
c) Oganesson
d) Curium

(c) Oganesson

23. Which acid is also known as “Oil of Vitriol”?

a) Hydrochloric acid
b) Sulfuric acid
c) Acetic acid
d) Nitric acid

(b) Sulfuric acid

24. What is the chemical formula for rust?

a) FeO
b) Fe2O3
c) Fe3O4
d) FeCO3

(b) Fe2O3

25. Which substance is used to make glass?

a) Limestone
b) Silica
c) Salt
d) Lead

(b) Silica

26. Which gas is known as the “Greenhouse Gas”?

a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Helium

(c) Carbon dioxide

27. What is the chemical symbol for potassium?

a) P
b) K
c) Pt
d) Po

(b) K

28. Who is known as the “Father of Modern Chemistry”?

a) Albert Einstein
b) Dmitri Mendeleev
c) Antoine Lavoisier
d) Marie Curie

(c) Antoine Lavoisier

29. Which compound is known as “Quicklime”?

a) Calcium carbonate
b) Calcium sulfate
c) Calcium oxide
d) Calcium hydroxide

(c) Calcium oxide

30. What color does copper sulfate turn in the presence of water?

a) Blue
b) Green
c) Yellow
d) Red

(a) Blue

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