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Subjects
Science CBSE
Class 10
Acid, bases and salts
Textbook based HOTS
5.
Multiple Choice Question Answer V
Exercise condition:
3
m.
1
.
When solid potassium cyanide is added in water then
pH will remain the same
pH will decrease
pH will increase
Electrical conductivity will not change
2
.
Aqueous solution of HCl has the pH = 4 Its molarity would be
4 M
10 M
0.4 M
0.0001 M
3
.
Human body works efficiently within a pH range of
7.00 to 7.8
5.6 to 7.8
7.8 to 8.4
5.6 to 7.00
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