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.
Commercial nitric acid is coloured because it contains dissolved :
A. Oxygen
B. Nitrous oxide
C. Nitrogen dioxide
D. Coloured impurities
Ans: C. Nitrogen dioxide
Question 2.
The gas used for artificial fruit ripening of green fruit is –
A. Ethylene
B. Acetylene
C. Ethane
D. Methane
Ans: A. Ethylene
Question 3.
The gas produced in marshy places due to decomposition of vegetation is
A. Carbon monoxide
B. Carbon dioxide
C. Sulphur dioxide
D. Methane
Ans: D. Methane
Question 4.
Which one is the simplest form of alkane?
A. Propane
B. Butane
C. Methane
D. Decane
Ans: C. Methane
Question 5.
Choose the incorrect statement pertaining to organic compounds
A. They have low melting and boiling points
B. They do not dissolve in water
C. They are not easily combustible
D. They contain mainly carbon and hydrogen
Ans: C. They are not easily combustible
Question 6.
The natural source of hydrocarbon is
A. Crude oil
B. Biomass
C. Coal
D. Carbohydrates
Ans: A. Crude oil
Question 7.
Organic compounds are
A. Covalent compounds
B. Ionic compounds
C. Co-ordination compounds
D. Interstitial compounds
Ans: A. Covalent compounds
Question 8.
Which of the following is not a natural source of hydrocarbon?
A. Natural Gas
B. Coal
C. Petroleum
D. Mica
Ans: D. Mica
Question 9.
The gas which emits from rice field is
A. Ethane
B. Methane
C. Nitrogen
D. All of the above
Ans: B. Methane
Question 10.
By which organic compound all the oils are known ?
A. Carbohydrate
B. Protein
C. Hydrocarbon
D. Ester
Ans: C. Hydrocarbon
Question 11.
Vinegar is an aqueous solution of
A. Oxalic acid
B. Citric acid
C. Hydrochloric acid
D. Acetic acid
Ans: D. Acetic acid
Question 12.
The element with highest first ionisation energy is
A. Hydrogen
B. Helium
C. Lithium
D. Sodium
Ans: B. Helium
Question 13.
Ethylene is a __ molecule.
A. Polar
B. Ionic
C. Covalent
D. Nonpolar
Ans: D. Nonpolar
Question 14.
Which of the following elements is found in all organic compounds?
A. Carbon
B. Calcium
C. Nitrogen
D. Oxygen
Ans: A. Carbon
Question 15.
Two elements which can form a large number of compounds are
A. Carbon and Hydrogen
B. Carbon and Nitrogen
C. Carbon and Oxygen
D. Carbon and Sulphur
Ans: A. Carbon and Hydrogen
Question 16.
In a period from Li to F, ionisation potential
A. Cannot be predicted
B. Increases
C. Decreases
D. Remains same
Ans: A. Cannot be predicted
Question 17.
The next higher homologue of C6H14 is
A. C7H14
B. C7H12
C. C6H12
D. C7H16
Ans: D. C7H16
Question 18.
Ethanol containing 5% water is known as :
A. Dilute alcohol
B. Power alcohol
C. Rectified spirit
D. Absolute alcohol
Ans: C. Rectified spirit
Question 19.
Alcoholic (– OH) group can be identified by :
A. Tollen’s Reagent Test
B. Esterification Test
C. FeCl3Test
D. Ozonolysis Reaction
Ans: C. FeCl3Test
Question 20.
In the periodic table of elements, on moving from left to right across a period, the atomic radius
A. Decreases
B. Increases
C. Remains unchanged
D. Does not follow a definite pattern
Ans: A. Decreases
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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