Question 1.
Which acid is used in Lead storage battery?
A. Sulphuric acid
B. Nitric acid
C. Hydrochloric acid
D. Acetic acid
Ans: A. Sulphuric acid
Question 2.
The alkaloid naturally found in coffee, cocoa and cola nut is
A. Cocaine
B. Morphine
C. Tannin
D. Caffeine
Ans: D. Caffeine
Question 3.
A fertile soil is likely to have a pH of
A. 3
B. 9
C. 6-7
D. 14
above
Ans: C. 6-7
Question 4.
Sour taste of lemon is due to the presence of which of the following ?
A. Citric acid
B. Acetic acid
C. Oxalic acid
D. Formic acid
Ans: A. Citric acid
Question 5.
The acid used in lead storage cells is
A. Phosphoric acid
B. Hydrochloric acid
C. Nitric acid
D. Sulphuric acid
Ans: D. Sulphuric acid
Question 6.
Formic acid is produced by
A. White ants
B. Cockroaches
C. Red ants
D. Mosquitoes
Ans: C. Red ants
Question 7.
Litmus is obtained from
A. A bacterium
B. A fungus
C. An alga
D. Lichen
Ans: D. Lichen
Question 8.
pH scale ranges from
A. 0 – 7
B. 8 – 14
C. 0 – 14
D. None
Ans: C. 0 – 14
Question 9.
The acid used in lead storage cells is
A. Phosphoric acid
B. Hydrochloric acid
C. Nitric acid
D. Sulphuric acid
Ans: D. Sulphuric acid
Question 10.
Which one of the following is most acidic?
A. Al2O3
B. Na2O
C. MgO
D. CaO
Ans: A. Al2O3
Question 11.
The pH of lemon juice is expected to be
A. Equal to 7
B. More than 7
C. Less than 7
D. Nothing can be predicted
Ans: C. Less than 7
Question 12.
Normal rainwater has a pH level of
A. 3.2
B. 5.6
C. 6.3
D. 8.3
Ans: B. 5.6
Question 13.
Milk tastes sour when it is left in open for some time. This happens due to the formation of
A. Lactic acid
B. Citric acid
C. Acetic acid
D. Carbonic acid
Ans: A. Lactic acid
Question 14.
Milk tastes sour when kept in the open for sometime due to the formation of
A. Lactic acid
B. Citric acid
C. Acetic acid
D. Carbonic acid
Ans: A. Lactic acid
Question 15.
Antacids are found in drugs that give relief to
A. Eye sight
B. Stomach ache
C. Acne
D. Headache
Ans: B. Stomach ache
Question 16.
Which one of the following is used as preservative for foodstuff ?
A. Sodium Benzoate
B. Picric acid
C. Glycerine
D. Sodium Chloride
Ans: A. Sodium Benzoate
Question 17.
The compound used in prickly heat powder to prevent excessive sweating is
A. Boric acid
B. Phosphoric acid
C. Carbonic acid
D. Sulphuric acid
Ans: A. Boric acid
Question 18.
__ is used for making vinegar.
A. Tartaric acid
B. Malic acid
C. Oxalic acid
D. Acetic acid
Ans: D. Acetic acid
Question 19.
The pH of human blood is between
A. 6.5-7
B. 7.5-8
C. 8-9
D. 4.5-5
Ans: B. 7.5-8
Question 20.
The acid which fails to liberate carbon dioxide from sodium bicarbonate is :
A. Acetic acid
B. Formic acid
C. Carbonic acid
D. Sulphuric acid
Ans: D. Sulphuric acid
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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