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Chemistry Class 10 Chapter 10 - Acids, Bases and Salts - 7
1.
HNO
3
is the formula of?
a) water
b) nitric acid
c) sulphuric acid
d) hydrochloric acid
2.
Which one of the following is phosphoric acid?
a) H
2
SO
4
b) H
3
PO
4
c) HCL
d) HNO
3
3.
An acid turns the blue litmus paper?
a) no effect
b) red
c) yellow
d) blue
4.
K
2
SO
4
is a?
a) basic salt
b) none of these
c) neutral salt
d) acidic salt
5.
An acid is a?
a) both b and c
b) electron donor
c) proton donor
d) proton acceptor
6.
Substances that react with both acids and bases are known as?
a) metals
b) catalysts
c) hydrophobic
d) amphoteric
7.
Who proposed the acid base theories?
a) Arrhenius
b) all of these
c) Bronsted and Lowry
d) Lewis
8.
Which one of the following is an acid?
a) lemon juice
b) aspirin
c) all of these
d) venigar
9.
The color of bromothymol blue in acidic solution is?
a) blue
b) pink
c) yellow
d) red
10.
Arrhenius proposed his acid base theory in?
a) 1997
b) 1897
c) 1887
d) 1987
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