Free Chemistry05 Practice Test - IAS 

Question 1

In a day call (battery) which of the following is used as Electrolytes?

A. Ammonium chloride and zinc chloride
B. Sodium chloride and calcium chloride
C. Magnesium chloride and zinc chloride
D. Ammonium chloride and calcium chloride

SOLUTION

Solution : A

Option: (a)

Question 2

Which one of the following elements is essential for the construction of nuclear reactors?

A. Cobalt
B. Nickel
C. Zirconium
D. Tungsten

SOLUTION

Solution : C

Option: (c)

Question 3

Which one of the following has the highest fuel value?

A. Hydrogen
B. Charcoal
C. Natural gas
D. Gasoline

SOLUTION

Solution : A

Option: (a)

Question 4

Which one of the following was used as a chemical weapon in the First World War?

A. Carbon monoxide
B. Hydrogen cyanide
C. Mustard gas
D. Water gas

SOLUTION

Solution : C

Option: (c)

Question 5

Which one of the following is used as an explosive?

A. Phosphorus trichloride
B. Mercuric oxide
C. Graphite
D. Nitroglycerine

SOLUTION

Solution : D

Option: (d)

Question 6

Match List I with List II and select the correct answer using the codes given below the lists.
List I                                                  List II
A. Potassium bromide            1. Fertiliser
B. Potassium nitrate               2. Photography
C. Potassium sulphate            3. Bakery
D. Monopotassium tartarate4. Gunpowder

A. 2    4    1    3
B. 2    4    3    1
C. 4    2    3    1
D. 4    2    1    3

SOLUTION

Solution : A

Option: (a)

Question 7

The water pollution in river is measured by the dissolved amount of

A. Chlorine
B. ozone
C. nitrogen
D. oxygen

SOLUTION

Solution : D

Option: (d)

Question 8

Match List I with List II and select the correct answer using the codes given below the lists
List I                              List II
A. Blue vitriol    1. Sodium bicarbonate
B. Epsom salt    2. Sodium hydroxide
C. Baking soda  3. Magnesium sulphate
D. Caustic soda 4. Copper sulphate

A. 3    4    2   1
B. 4     3    2   1
C. 3     4    1    2
D. 4     3    1    2

SOLUTION

Solution : D

Option: (d)

Question 9

Which one of the following is used as an anti-freeze for the automobile engines?

A. Propyl alcohol
B. Ethanol
C. Methanol
D. Ethylene glycol

SOLUTION

Solution : D

Option: (d)

Question 10

Consider the following
(a) Oxides of hydrogen
(b) Oxides of nitrogen
(c) Oxides of sulphur
Which of the above will cause acid rain?

A. (a) and (b)
B. (c) only
C. (b) and (c)
D. (a), (b) and (c)

SOLUTION

Solution : C

Option: (c)

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