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.
Which of the following is not a method of preparing oxygen?
A. Electrolysis of water
B. Fractional distillation of liquid air
C. Decomposition of potassium permanganate
D. Decomposition of manganese dioxide
Ans: D. Decomposition of manganese dioxide
Question 2.
In arc welding, Argon is used because of its
A. Low reactivity with metal
B. Ability to lower the melting point of the metal
C. High flammability
D. High calorific value
Ans: A. Low reactivity with metal
Question 3.
Silicon is used in
A. Solar energy devices
B. Semiconductors
C. Transistors
D. All of these
Ans: D. All of these
Question 4.
Yellow Cake an item of smuggling across border is
A. A crude from of heroin
B. A crude from of cocaine
C. Uranium oxide
D. Unreformed gold
Ans: C. Uranium oxide
Question 5.
Which one of the following statements is not correct? Vulcanisation of rubber makes it
A. Soft and flexible
B. Strong and hard
C. Chemical resistant
D. Withstand higher temperatures
Ans: A. Soft and flexible
Question 6.
An inert gas mixed with oxygen given to patients suffering from restricted breathing is
A. Helium
B. Krypton
C. Radon
D. Argon
Ans: A. Helium
Question 7.
Which of the inert gases can form compounds?
A. Helium
B. Xenon
C. Krypton
D. Argon
Ans: B. Xenon
Question 8.
The transuranium elements are the chemical elements with atomic numbers greater than
A. 86
B. 89
C. 92
D. 96
Ans: C. 92
Question 9.
The compounds formed when hydrogen combines with p-block elements are called
A. Ionic hydrides
B. Molecular hydrides
C. Metallic hydrides
D. Polynuclear hydrides
Ans: B. Molecular hydrides
Question 10.
Which of the following elements is obtained from seaweeds ?
A. Iodine
B. Vanadium
C. Argon
D. Sulphur
Ans: A. Iodine
Question 11.
Vulcanized rubber contains sulphur
A. 2%
B. 3-5%
C. 7-9%
D. 10-15%
Ans: B. 3-5%
Question 12.
Which of the following elements is non-radioactive ?
A. Uranium
B. Thorium
C. Plutonium
D. Zirconium
Ans: D. Zirconium
Question 13.
In vulcanisation process, rubber can be hardened by adding
A. Nitrogen
B. Silicon
C. Sulphur
D. Alcohol
Ans: C. Sulphur
Question 14.
Silica gel is a
A. Moisturizer
B. Flavouring agent
C. Drying agent
D. Delicious food
Ans: C. Drying agent
Question 15.
Which of the following alloy is used in making magnet ?
A. Duralumin
B. Stainless steel
C. Alnico
D. Magnalium
Ans: C. Alnico
Question 16.
Which of the following is used in dating archaeological findings ?
A. 92235U
B. 614C
C. 13H
D. 818O
Ans: B. 614C
Question 17.
The substance that is added to make natural rubber strong and more bouncy is
A. Polythene
B. Sponge
C. Sulphur
D. Chlorine
Ans: C. Sulphur
Question 18.
Silicon is a
A. Semiconductor
B. Insulator
C. Non-conductor
D. Conductor
Ans: A. Semiconductor
Question 19.
In its reaction with silver nitrate, C2H2 shows
A. Oxidising property
B. Reducing property
C. Basic property
D. Acidic property
Ans: D. Acidic property
Question 20.
German silver used for making utensils is an alloy of
A. Copper, silver, nickel
B. Copper, zinc, nickel
C. Copper, zinc, aluminium
D. Copper, nickel, aluminium
Ans: B. Copper, zinc, nickel
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
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- 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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