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MCQs

Total Questions : 137 | Page 14 of 14 pages
Question 131. Match List I and List II and select the correct answer by using the codes given below.
List I (Type of Mixture)                            List II (Method of Separation)
A. Insoluble solid and liquid                  1. Distillation
B. Two immiscible liquids`                     2. Evaporation
C. Soluble solid and liquid                      3. Use of separating
D. Completely miscible liquids              4. Decantation
  1.    1   2   3   4
  2.    2   3   4   1
  3.    3   1   2   4
  4.    4   3   2   1
 Discuss Question
Answer: Option D. -> 4   3   2   1
:
D
Option:(d)
Question 132. Match List I and List II and select the correct Answer by using the codes given below lists.
List I                               List II
(Drugs/Chemicals)  (Their Uses)
A. Atropine              1. Local anaesthesia
B. Ether                    2. Heart trouble
C. Nitroglycerine    3. Dilation of pupil
D. Pyrethrin            4. Mosquito control
  1.    1   2    3   4
  2.    1   3   4   2
  3.    3    1   4   2
  4.    3   1   2   4
 Discuss Question
Answer: Option D. -> 3   1   2   4
:
D
Option:(d)
Question 133. Atmospheric air contains the following in varying amounts
(a) Nitrogen
(b) Carbon dioxide
(c) Argon
(d) Oxygen
  1.    (d), (a), (b), (c)
  2.    (a), (c), (b), (d)
  3.    (b), (a), (c), (d)
  4.    (a), (d), (c), (b)
 Discuss Question
Answer: Option D. -> (a), (d), (c), (b)
:
D
Option:(d)
Question 134. The symbols used to denote different elements are generally the first or the first two letters of the name by which the particular element is commonly known. Which of the following elements do not fall in this category?
(a) Osmium
(b) Tungsten
(c) Silver
(d) Antimony
  1.    (a), (b) and (c)
  2.    (a), (b) and (d)
  3.    (b), (c) and (d)
  4.    (a), (c) and (d)
 Discuss Question
Answer: Option C. -> (b), (c) and (d)
:
C
Option:(c)
Question 135. Match List I and List II and select the correct answer by using the codes given below.
List I                            List II
A. Butadiene           1. Match industry
B. Lead tetraethyl  2. Dye industry
C. Phosphorus        3. Rubber industry
D. Aniline                4. Petroleum industry
  1.    1    2    3    4
  2.    2     1    4    3
  3.    3    4    1   2
  4.    3   2   1   4
 Discuss Question
Answer: Option C. -> 3    4    1   2
:
C
Option: (c)
Question 136. Consider the following statements
(a) Copper
(b) Gold
(c) Platinum
(d) Silver
Which of the above elements exist free in nature?
  1.    (a) and (b)
  2.    (b) and (c)
  3.    (a), (b) and (d)
  4.    (c) and (d)
 Discuss Question
Answer: Option B. -> (b) and (c)
:
B
Option:(b)
Question 137. Match List I and List II and select the correct
List I (Theory)                               List II (Scientist)
A. Theory Nuclear Fission    1. George Gamow
B. Big Bang Theory                2. W. Heisenberg
C. Quantum Theory               3. Bohr and Wheeler
D. Wave Theory of Light       4. Huygens
  1.    1    2    3    4
  2.    4    3    2   1
  3.    3   1   2   4
  4.    3   2   1    4
 Discuss Question
Answer: Option A. -> 1    2    3    4
:
A
Option:(a)

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