Practice MCQ Questions and answers on Chemistry-GK Page-3 section-1

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12

21.
The Latin word formica means ant. The name formic acid is derived from this Latin word because

A. this acid, in ancient times, was used to eliminate ant-hills

B. this corrosive acid is secreted by ants to drive away their enemies

C. this acid was first obtained by the distillation of ants

D. ants are attracted by the odour of this acid

Answer & Solution Discuss in Board Save for Later

22.
The ore which is found in abundance in India is

A. monazite

B. fluorspar

C. bauxite

D. magnetite

Answer & Solution Discuss in Board Save for Later

23.
The inherited traits of an organism are controlled by

A. RNA molecules

B. nucleotides

C. DNA molecules

D. enzymes

Answer & Solution Discuss in Board Save for Later

24.
The heat energy produced when the human body metabolises 1 gram of fat is

A. 30 KJ

B. 1 KJ

C. 39 KJ

D. 29 KJ

Answer & Solution Discuss in Board Save for Later

25.
What are the number of moles of CO₂ which contains 16 g of oxygen?

A. 0.5 mole

B. 0.2 mole

C. 0.4 mole

D. 0.25 mole

Answer & Solution Discuss in Board Save for Later

26.
The main use of salt in the diet is to

A. make the taste of food better

B. produce in small amounts the hydrochloric acid required for the digestion of food

C. ease the process of cooking

D. increase the solubility of food particles in water

Answer & Solution Discuss in Board Save for Later

27.
The monomer of polythene is

A. vinyl chloride

B. ethylene

C. ethyl alcohol

D. None of the above

Answer & Solution Discuss in Board Save for Later

28.
The luster of a metal is due to

A. its high density

B. its high polishing

C. its chemical inertness

D. presence of free electrons

Answer & Solution Discuss in Board Save for Later

29.
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

A. 1.568 x 10³

B. 6.023 x 10¹⁹

C. 4.84 x 10¹⁷

D. 6.023 x 10²³

Answer & Solution Discuss in Board Save for Later

30.
The most malleable metal is

A. platinum

B. silver

C. iron

D. gold

Answer & Solution Discuss in Board Save for Later

1 2 3 4 5 6 7 8 9 10

Practice MCQ Questions and answers on Chemistry-GK

21. The Latin word formica means ant. The name formic acid is derived from this Latin word because

Answer & Solution

22. The ore which is found in abundance in India is

Answer & Solution

23. The inherited traits of an organism are controlled by

Answer & Solution

24. The heat energy produced when the human body metabolises 1 gram of fat is

Answer & Solution

25. What are the number of moles of CO2 which contains 16 g of oxygen?

Answer & Solution

26. The main use of salt in the diet is to

Answer & Solution

27. The monomer of polythene is

Answer & Solution

28. The luster of a metal is due to

Answer & Solution

29. The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

Answer & Solution

30. The most malleable metal is

Answer & Solution

Read More Section(Chemistry)

21.
The Latin word formica means ant. The name formic acid is derived from this Latin word because

22.
The ore which is found in abundance in India is

23.
The inherited traits of an organism are controlled by

24.
The heat energy produced when the human body metabolises 1 gram of fat is

25.
What are the number of moles of CO₂ which contains 16 g of oxygen?

26.
The main use of salt in the diet is to

27.
The monomer of polythene is

28.
The luster of a metal is due to

29.
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

30.
The most malleable metal is