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 reactive among the halogens is
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
Ans: A. Fluorine
Question 2.
Which among the following is not a characteristic of transition metals?
A. Tendency to gain electrons
B. Low electronegativity
C. Low ionization energy
D. Malleability
Ans: A. Tendency to gain electrons
Question 3.
Which one is the most reactive halogen?
A. Iodine
B. Bromine
C. Fluorine
D. Chlorine
Ans: C. Fluorine
Question 4.
When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to
A. SO3
B. SO2
C. NO2
D. N2O
Ans: C. NO2
Question 5.
Which one element has the lowest electronegativity value
A. Fluorine
B. Chlorine
C. Francium
D. Radium
Ans: C. Francium
Question 6.
The most electronegative element among the following is
A. Fluorine
B. Sodium
C. Chlorine
D. Oxygen
Ans: A. Fluorine
Question 7.
Who first published the periodic table?
A. John Dalton
B. Julius Lothar Meyer
C. Henry Moseley
D. Dmitri Mendeleev
Ans: D. Dmitri Mendeleev
Question 8.
Wax used for making candle is chemically a mixture of
A. Aliphatic hydrocarbons
B. Aromatic hydrocarbons
C. Cyclic hydrocarbons
D. Aliphatic and aromatic hydrocarbons
Ans: A. Aliphatic hydrocarbons
Question 9.
Which one element has the highest electronegativity value
A. Lithium
B. Nitrogen
C. Chlorine
D. Fluorine
Ans: D. Fluorine
Question 10.
Total number of halogen elements found in the periodic table is
A. 3
B. 5
C. 8
D. 13
Ans: B. 5
Question 11.
The most suitable vessel for storing concentrated sulphuric acid is
A. Copper vessel
B. Aluminium vessel
C. Glass vessel
D. Earthen vessel
Ans: C. Glass vessel
Question 12.
Adding Cl2 to benzene in the presence of AlCl3 is an example of :
A. Elimination reaction
B. Substitution reaction
C. None of the options
D. Addition reaction
Ans: B. Substitution reaction
Question 13.
The element with highest ionization potential is
A. Oxygen
B. Carbon
C. Helium
D. Boron
Ans: C. Helium
Question 14.
Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has
A. High bond dissociation energy
B. Smaller atomic radius
C. Stable half filled 2p sub level
D. High nuclear charge
Ans: C. Stable half filled 2p sub level
Question 15.
Which one of the following nonmetals shows allotropy in the liquid state?
A. Carbon
B. Sulphur
C. Phosphorous
D. Bromine
Ans: B. Sulphur
Question 16.
Benzene cannot undergo :
A. Substitution
B. Addition
C. Elimination
D. Oxidation
Ans: C. Elimination
Question 17.
Which of the following has no unit?
A. Electronegativity
B. Electron affinity
C. Ionization energy
D. Excitation potential
Ans: A. Electronegativity
Question 18.
The elements with atomic numbers 9, 17, 35, 53, 85 are all
A. Heavy metals
B. Noble gases
C. Light metals
D. Halogens
Ans: D. Halogens
Question 19.
Sulphuric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic
Ans: B. Dibasic
Question 20.
Which one is the simplest aromatic hydrocarbon?
A. Aspirin
B. Benzene
C. Chloride
D. Picric acid
Ans: B. Benzene
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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