alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases - Category wise Question and Answer Practice Test with Solutions

alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases PRACTICE TEST [4 - EXERCISES]

set 1

set 2

set 3

set 4

Question : 1 [IAS (Pre) 2000]

Consider the following statements. Hard water is not suitable for

  1. Drinking
  2. Washing clothes with soap
  3. Use in boilers
  4. Irrigating crops
Which of these statements are correct?

a) 1, 2, 3 and 4

b) 1, 2 and 4

c) 1 and 2

d) 2 and 3

Answer: (a)

Question : 2 [PCS (Pre) 2002]

Which of the following gas is used as tear gas?

a) $SO_2$

b) $NH_3$

c) $H_2$

d) $Cl_2$

Answer: (b)

Question : 3 [RAS/RTS (Pre) 2008]

By which process the sea water can be converted into pure water?

a) Reverse osmosis

b) Electric separation

c) Deliquescence

d) Efflorescence

Answer: (a)

Question : 4 [PCS (Pre) 2016]

Water gas is

a) $CO_2 + H_2O$

b) CO + $H_2$

c) CO + $H_2O$

d) $CO_2 + H_2$

Answer: (b)

Question : 5 [MPPCS (Pre) 1991]

What is heavy water?

a) Heavy Hydrogen + Heavy Oxygen

b) Hydrogen + New Oxygen

c) Oxygen + Heavy Hydrogen

d) Hydrogen + Oxygen

Answer: (c)

IMPORTANT general science mcq EXERCISES

set 3 Online Quiz

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1688 sulphur nitrogen halogen and inert gases based general science mcq set 3 question answer pdf
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