Chemistry

The pH values of four solutions A, B, C and D are given in the table.
Solution pH value
A 12
B 2
C 7
D 8
Which solution will liberate CO₂ when reacted with sodium carbonate?
A
B
C
D

Solution	pH value
A	12
B	2
C	7
D	8

Acids Bases Salts

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Answer

B

Reason — Solution B is the only acidic solution in the list. Acids liberate CO₂ gas when treated with carbonates. Hence, solution B will liberate CO₂ when reacted with sodium carbonate.

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Chemistry

The pH values of four solutions A, B, C and D are given in the table.
Solution pH value
A 12
B 2
C 7
D 8
Which solution will liberate CO₂ when reacted with sodium carbonate?
A
B
C
D

Acids Bases Salts

Answer

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Chemistry

The pH values of four solutions A, B, C and D are given in the table.SolutionpH valueA12B2C7D8Which solution will liberate CO2 when reacted with sodium carbonate?ABCD

Acids Bases Salts

Answer

Related Questions

In an exothermic process, energy is released in the form of heat or light.Which of the following could be exothermic processes?P. Sublimation of camphor crystalsQ. Reaction of water with quick limeR. Dilution of an acidOnly POnly QOnly RBoth Q and R

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The pH values of four solutions A, B, C and D are given in the table.
Solution pH value
A 12
B 2
C 7
D 8
Which solution will liberate CO₂ when reacted with sodium carbonate?
A
B
C
D

In an exothermic process, energy is released in the form of heat or light.
Which of the following could be exothermic processes?
P. Sublimation of camphor crystals
Q. Reaction of water with quick lime
R. Dilution of an acid
Only P
Only Q
Only R
Both Q and R

Percentage of calcium in calcium carbonate (CaCO₃) is
40
30
48
36

Name the gas produced when ammonium sulphate is heated with sodium hydroxide solution.
Hydrogen chloride gas
Ammonia
Sulphuric acid
Chlorine

In which of the following beaker (I, II, III and IV) will coating on Zn be done?
I and III
II only
III and IV
IV only