Details: Everyday Science Quiz

1. Common salt is chemically

A) NaOH

B) HCl

C) CaCO₃

D) NaCl

Correct Answer: D

Your Answer: D

2. The valency of carbon is

A) 2

B) 3

C) 1

D) 4

Correct Answer: D

Your Answer: D

3. The smallest unit of an element is

A) Molecule

B) Electron

C) Atom

D) Proton

Correct Answer: C

Your Answer: C

4. Acids taste

A) Sweet

B) Bitter

C) Sour

D) Salty

Correct Answer: C

Your Answer: C

5. Which non-metal is essential for life

A) Sulfur

B) Phosphorus

C) Carbon

D) Chlorine

Correct Answer: C

Your Answer: C

6. Which of the following is a physical change

A) Burning of paper

B) Rusting of iron

C) Melting of ice

D) Cooking food

Correct Answer: C

Your Answer: C

7. Which state of matter has no definite shape but definite volume

A) Solid

B) Gas

C) Liquid

D) Plasma

Correct Answer: C

Your Answer: C

8. Freezing point of water is

A) 10°C

B) 0°C

C) 5°C

D) -5°C

Correct Answer: B

Your Answer: B

9. Elements in same group have

A) Same mass

B) Same size

C) Same color

D) Same properties

Correct Answer: D

Your Answer: D

10. Which base is used in soap

A) NaOH

B) NaCl

C) HCl

D) CO₂

Correct Answer: A

Your Answer: A

11. Which acid is present in lemon

A) Acetic acid

B) Citric acid

C) Hydrochloric acid

D) Sulfuric acid

Correct Answer: B

Your Answer: B

12. Water is a

A) Element

B) Mixture

C) Compound

D) Gas

Correct Answer: C

Your Answer: C

13. An element is a substance made of

A) Different atoms

B) Same kind of atoms

C) Molecules only

D) Compounds

Correct Answer: B

Your Answer: B

14. Which gas is essential for breathing

A) Nitrogen

B) Carbon dioxide

C) Hydrogen

D) Oxygen

Correct Answer: D

Your Answer: D

15. Which particle has no charge

A) Neutron

B) Proton

C) Electron

D) Ion

Correct Answer: A

Your Answer: A

16. Litmus turns red in

A) Base

B) Acid

C) Salt

D) Water

Correct Answer: B

Your Answer: B

17. Matter is defined as anything that has

A) Shape only

B) Volume only

C) Color

D) Mass and occupies space

Correct Answer: D

Your Answer: D

18. Which metal reacts with water vigorously

A) Copper

B) Sodium

C) Iron

D) Silver

Correct Answer: B

Your Answer: B

19. Which substance is used to neutralize acid

A) Base

B) Acid

C) Salt

D) Water

Correct Answer: A

Your Answer: A

20. Which particle has negative charge

A) Proton

B) Neutron

C) Nucleus

D) Electron

Correct Answer: D

Your Answer: D

21. pH value less than 7 indicates

A) Acid

B) Base

C) Neutral

D) Salt

Correct Answer: A

Your Answer: A

22. Mixtures can be separated by

A) Physical methods

B) Chemical reaction

C) Heating only

D) Burning

Correct Answer: A

Your Answer: A

23. The center of an atom is called

A) Electron

B) Nucleus

C) Neutron

D) Shell

Correct Answer: B

Your Answer: B

24. Which state of matter has neither definite shape nor volume

A) Gas

B) Solid

C) Liquid

D) Plasma

Correct Answer: A

Your Answer: A

25. Which state of matter has definite shape and volume

A) Liquid

B) Solid

C) Gas

D) Plasma

Correct Answer: B

Your Answer: B

26. Non-metals are generally

A) Conductors

B) Ductile

C) Brittle

D) Malleable

Correct Answer: C

Your Answer: C

27. The main gas in air is

A) Nitrogen

B) Oxygen

C) Carbon dioxide

D) Hydrogen

Correct Answer: A

Your Answer: A

28. Which of the following is a chemical change

A) Burning coal

B) Boiling water

C) Dissolving sugar

D) Breaking glass

Correct Answer: A

Your Answer: A

29. Which gas is produced by burning carbon

A) Oxygen

B) Nitrogen

C) Carbon dioxide

D) Hydrogen

Correct Answer: C

Your Answer: C

30. Hard water contains

A) Calcium and magnesium salts

B) Sodium salts

C) Potassium salts

D) Iron salts

Correct Answer: A

Your Answer: A

31. Which metal is liquid at room temperature

A) Iron

B) Mercury

C) Copper

D) Aluminium

Correct Answer: B

Your Answer: B

32. Which is an example of mixture

A) Water

B) Salt

C) Sugar

D) Air

Correct Answer: D

Your Answer: D

33. Which gas turns limewater milky

A) Oxygen

B) Hydrogen

C) Nitrogen

D) Carbon dioxide

Correct Answer: D

Your Answer: D

34. Periodic table is arranged by

A) Atomic number

B) Mass only

C) Size

D) Density

Correct Answer: A

Your Answer: A

35. A compound is formed by

A) Physical mixing

B) Separation

C) Filtration

D) Chemical combination

Correct Answer: D

Your Answer: D

Everyday Science Quiz

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