Acid, Base and Salt UPSC Questions

Chemistry

Acid, Base and Salt MCQ Questions


1.
Curd, lemon juice, and orange juice taste sour because they contain _____
A.
Toxins
B.
Minerals
C.
Acids
D.
Base
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ANSWER :
C. Acids
2.
The nature of baking soda is said to be _____
A.
Basic
B.
Acidic
C.
Toxic
D.
None of the above
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ANSWER :
A. Basic
3.
In which of the following are hydrogels used?
1.Controlled drug delivery in patients
2.Mobile air-conditioning systems
3.Preparation of industrial lubricants
Select the correct answer using the code given below:
UPSC - 2024
A.
1 only
B.
1 and 2 only
C.
2 and 3 only
D.
1, 2 and 3
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ANSWER :
D. 1, 2 and 3
4.
What are the substances that are used for testing whether a substance is acidic or basic?
A.
Molecules
B.
Indicators
C.
Atoms
D.
Salts
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ANSWER :
B. Indicators
5.
Which of the following are the naturally occurring indicators?
A.
Turmeric
B.
China rose petals
C.
Litmus
D.
All the above
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ANSWER :
D. All the above
6.
Match the following Name of acid Found in
List I List II
a) Acetic acid i.) Lemon
b) Formic acid ii.) Curd
c) Citric acid iii.) Ant's sting
d) Lactic acid iv.) Vinegar
A.
a-iv,b-iii,c-ii,d-i
B.
a-ii,b-i,c-iv,d-iii
C.
a-iv,b-iii,c-i,d-ii
D.
a-i,b-ii,c-iii,d-iv
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ANSWER :
C. a-iv,b-iii,c-i,d-ii