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 most volatile of the given liquids is
A. Ether
B. Liquid
C. Liquid NH3
D. Liquid He
Ans: D. Liquid He
Question 2.
White phosphorus is always kept under
A. Benzene
B. Kerosene
C. Ether
D. Water
Ans: D. Water
Question 3.
A colloidal system in which a liquid is dispersed in a liquid is called
A. Gel
B. Emulsion
C. Sol
D. Precipitate
Ans: B. Emulsion
Question 4.
Milk is
A. Emulsion
B. Suspension
C. Foam
D. Gel
Ans: A. Emulsion
Question 5.
The three elements most needed in common fertilisers are :
A. Sulphur, Phosphorous and Sodium
B. Nitrogen, Potassium and Phosphorous
C. Phosphorous, Sodium and Nitrogen
D. Calcium, Phosphorous and Potassium
Ans: B. Nitrogen, Potassium and Phosphorous
Question 6.
Milk is a colloidal system in which:
A. Water is dispersed in fat
B. Fat is dispersed in water
C. Fat and water are dispersed in each other
D. Fat is dissolved
Ans: B. Fat is dispersed in water
Question 7.
Which is a natural colloid ?
A. Sodium chloride
B. Urea
C. Cane-sugar
D. Blood
Ans: D. Blood
Question 8.
Milk is a natural
A. Solution
B. Emulsion
C. Mixture
D. Suspension
Ans: B. Emulsion
Question 9.
Liquid Nitrogen boils at
A. 77 kelvin
B. 82 Kelvin
C. 54 kelvin
D. 97 Kelvin
Ans: A. 77 kelvin
Question 10.
An emulsion is a colloid of a
A. Gas in a liquid
B. Liquid in a liquid
C. Liquid in a gas
D. Gas in a solid
Ans: B. Liquid in a liquid
Question 11.
Suspension particles have the size between
A. 10–2 – 10–4 cm
B. 10–5 – 10–7cm
C. 10–8 – 10–10cm
D. 10–1 – 10–2 cm
Ans: A. 10–2 – 10–4 cm
Question 12.
Emulsifier is an agent which
A. Accelerates the dispersion
B. Homogenizes the emulsion
C. Stabilizes an emulsion
D. Aids the flocculation of emulsion
Ans: C. Stabilizes an emulsion
Question 13.
Which one of the following is not a fertilizer?
A. Ammonium sulphate
B. Calcium sulphate
C. Calcium ammonium nitrate
D. Potassium nitrate
Ans: B. Calcium sulphate
Question 14.
An emulsion is a colloidal solution of
A. Liquid in liquid
B. Solid in liquid
C. Gas in solid
D. Solid in Solid
Ans: A. Liquid in liquid
Question 15.
Which of the following acts as best adsorbent?
A. Charcoal
B. Activated Charcoal
C. Activated Coconut Charcoal
D. Carbon black
Ans: C. Activated Coconut Charcoal
Question 16.
An emulsifier is an agent which
A. Stabilises an emulsion
B. Aids the flocculation of an emulsion
C. Accelerates the dispersion
D. Homogenises an emulsion
Ans: A. Stabilises an emulsion
Question 17.
Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs?
A. Methane
B. Nitrogen
C. Helium
D. Hydrogen
Ans: B. Nitrogen
Question 18.
Colloids can be purified by
A. Condensation
B. Condensation
C. Condensation
D. Dialysis
Ans: D. Dialysis
Question 19.
Gelatin is mostly used in making ice-creams in order to
A. Prevent making a colloid
B. Stabilise the colloid and prevent crystallisation
C. Stabilise mixture
D. Enrich the aroma
Ans: B. Stabilise the colloid and prevent crystallisation
Question 20.
Muddy water is treated with alum in purification process, it is termed as :
A. Emulsification
B. Absorption
C. Adsorption
D. Coagulation
Ans: D. Coagulation
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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