Here you will find GK MCQ Questions for Chemistry GK with Answers PDF Free Download based on the important concepts and topics given in the textbook as per new exam pattern. This may assist you to understand and check your knowledge about the Chemistry GK. Students also can take a free test of the Multiple Choice Questions of Chemistry GK. Each question has four options followed by the right answer.
Question 1.
The addition of gypsum to portland cement helps in :
A. Increasing the strength of cement
B. Rapid setting of cement
C. Preventing rapid setting of cement
D. Reduction in the cost of cement
Ans: C. Preventing rapid setting of cement
Question 2.
Asbestos is formed of :
A. Calcium and Magnesium
B. Copper, Zinc and Manganese
C. Lead and Iron
D. Calcium and Zinc
Ans: A. Calcium and Magnesium
Question 3.
Which substance is used to retard the setting action of cement?
A. CaO
B. Al2O3
C. CaSO4.2H2O
D. Na2O + K2O
Ans: C. CaSO4.2H2O
Question 4.
Baryllium Sulphate is less soluble in water due to
A. High inflammable energy
B. Low Energy of dissociation
C. Low inflammable energy
D. Lonic band
Ans: A. High inflammable energy
Question 5.
Which gas is most stable at room temperature?
A. H2
B. N2
C. F2
D. O2
Ans: B. N2
Question 6.
Bayer’s reagent is
A. Alkaline potassium permanganate
B. Acidified potassium permanganate
C. Hydrogen peroxide
D. Bromine water
Ans: A. Alkaline potassium permanganate
Question 7.
Stalactites and Stalagmites form due to the precipitation of :
A. CaCO3
B. CaCl2
C. MgCl2
D. MgCO3
Ans: A. CaCO3
Question 8.
Chile saltpeter is the common name of:
A. Sodium nitrate
B. Potassium nitrite
C. Potassium nitrate
D. Sodium nitrite
Ans: A. Sodium nitrate
Question 9.
Which of the following is used as a preservative to protect processed food?
A. Sodium sulphate
B. Saccharin
C. BHT
D. Sodium metabisulphite
Ans: D. Sodium metabisulphite
Question 10.
Bone ash contains
A. Calcium sulphate
B. Phosphoric sulphate
C. Calcium phosphate
D. Calcium hypophosphate
Ans: C. Calcium phosphate
Question 11.
Which of the following is not a precious/semi-precious stone?
A. Sapphire
B. Ruby
C. Pearl
D. Emerald
Ans: C. Pearl
Question 12.
Setting of plaster of paris involves
A. Dehydration process
B. Hydration to form other hydrates
C. Oxidation process
D. Reduction process
Ans: B. Hydration to form other hydrates
Question 13.
Chemical composition of cement is
A. Limestone and Clay
B. Limestone, Clay and Gypsum
C. Limestone and Gypsum
D. Clay and Gypsum
Ans: B. Limestone, Clay and Gypsum
Question 14.
Cement is made hard with
A. Dehydration
B. Hydration and dissociation of water
C. Dissociation of water
D. Polymerisation
Ans: B. Hydration and dissociation of water
Question 15.
The chemical substance present in bones and teeth is
A. Calcium phosphate
B. Calcium chloride
C. Calcium sulphate
D. Calcium borate
Ans: A. Calcium phosphate
Question 16.
Find the odd one:
A. Marble
B. Chalk
C. Limestone
D. Slaked lime
Ans: D. Slaked lime
Question 17.
Which one of the following elements is used in the manufacture of fertilizers ?
A. Fluorine
B. Potassium
C. Lead
D. Aluminium
Ans: B. Potassium
Question 18.
‘Plaster of Paris’ is made by partial dehydration of
A. Epsom salt
B. Gypsum salt
C. Blue vitriol
D. Green vitriol
Ans: B. Gypsum salt
Question 19.
The chemical substance present in bones and teeth is
A. Calcium phosphate
B. Calcium chloride
C. Calcium sulphate
D. Calcium borate
Ans: A. Calcium phosphate
Question 20.
The chemical name of ‘Plaster of Paris’ commonly used for setting broken bones is
A. Calcium nitrate
B. Calcium sulphate
C. Calcium carbonate
D. Calcium chloride
Ans: B. Calcium sulphate
Chemistry GK MCQs all set
- Chemistry GK MCQs Set-1
- Chemistry GK MCQs Set-2
- Chemistry GK MCQs Set-3
- Chemistry GK MCQs Set-4
- Chemistry GK MCQs Set-5
- Chemistry GK MCQs Set-6
- Chemistry GK MCQs Set-7
- Chemistry GK MCQs Set-8
- Chemistry GK MCQs Set-9
- Chemistry GK MCQs Set-10
- Chemistry GK MCQs Set-11
- Chemistry GK MCQs Set-12
- Chemistry GK MCQs Set-13
- Chemistry GK MCQs Set-14
- Chemistry GK MCQs Set-15
- Chemistry GK MCQs Set-16
- Chemistry GK MCQs Set-17
- Chemistry GK MCQs Set-18
- Chemistry GK MCQs Set-19
- Chemistry GK MCQs Set-20
- Chemistry GK MCQs Set-21
- Chemistry GK MCQs Set-22
- Chemistry GK MCQs Set-23
- Chemistry GK MCQs Set-24
- Chemistry GK MCQs Set-25
- Chemistry GK MCQs Set-26
- Chemistry GK MCQs Set-27
- Chemistry GK MCQs Set-28
- Chemistry GK MCQs Set-29
- Chemistry GK MCQs Set-30
- Chemistry GK MCQs Set-31
- Chemistry GK MCQs Set-32
- Chemistry GK MCQs Set-33
- Chemistry GK MCQs Set-34
- Chemistry GK MCQs Set-35
- Chemistry GK MCQs Set-36
- Chemistry GK MCQs Set-37
- Chemistry GK MCQs Set-38
- Chemistry GK MCQs Set-39
- Chemistry GK MCQs Set-40
- Chemistry GK MCQs Set-41
- Chemistry GK MCQs Set-42
- Chemistry GK MCQs Set-43
- Chemistry GK MCQs Set-44
- Chemistry GK MCQs Set-45
- Chemistry GK MCQs Set-46
- Chemistry GK MCQs Set-47
- Chemistry GK MCQs Set-48
- Chemistry GK MCQs Set-49
- Chemistry GK MCQs Set-50
- Chemistry GK MCQs Set-51
- Chemistry GK MCQs Set-52
- Chemistry GK MCQs Set-53
- Chemistry GK MCQs Set-54
- Chemistry GK MCQs Set-55
- Chemistry GK MCQs Set-56
- Chemistry GK MCQs Set-57
- Chemistry GK MCQs Set-58
- Chemistry GK MCQs Set-59
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