Acid, Base and Salt UPSC Questions

Chemistry

Acid, Base and Salt MCQ Questions


7.
Match the following Name of acid Found in
List I List II
a) Oxalic acid i.) Tamarind
b) Ascorbic acid ii.) Citrus fruits
c) Tartaric acid iii.) Spinach
A.
a-iii,b-ii,c-i
B.
a-i,b-ii,c-iii
C.
a-iii,b-i,c-ii
D.
a-ii,b-iii,c-i
😑 View Answer Rough Work Error
ANSWER :
A. a-iii,b-ii,c-i
8.
Match the following Name of the base Found in
List I List II
a) Calcium hydroxide i.) Soap
b) Ammonium hydroxide ii.) Milk of magnesia
c) Sodium hydroxide iii.) Lime water
d) Magnesium hydroxide iv.) Window cleaner
A.
a-iv,b-iii,c-ii,d-i
B.
a-iii,b-iv,c-i,d-ii
C.
a-i,b-ii,c-iii,d-iv
D.
a-iv,b-i,c-iii,d-ii
😑 View Answer Rough Work Error
ANSWER :
B. a-iii,b-iv,c-i,d-ii
9.
The most commonly used natural indicator is
A.
Turmeric
B.
Methyl orange
C.
China rose petals
D.
Litmus
😑 View Answer Rough Work Error
ANSWER :
D. Litmus
10.
Statement: Litmus is extracted from lichens.
Question: When added to an acidic solution, it turns _____
A.
Red
B.
Green
C.
Blue
D.
Yellow
😑 View Answer Rough Work Error
ANSWER :
A. Red
11.
Statement: Litmus is extracted from lichens.
Question: When added to an basic solution, it turns _____
A.
Red
B.
Green
C.
Blue
D.
Yellow
😑 View Answer Rough Work Error
ANSWER :
C. Blue
12.
The solutions which do not change the colour of either red or blue litmus are known as _____ solutions
A.
Basic
B.
Neutral
C.
Acidic
D.
None of the above
😑 View Answer Rough Work Error
ANSWER :
B. Neutral