MEDIUM
10th CBSE
IMPORTANT
Earn 100

pH of sodium carbonate (Na2CO3) solution will be

50% studentsanswered this correctly

Important Questions on Acids, Bases And Salts

MEDIUM
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 32
When bitten by an ant, the sting causes irritation due to the presence of
MEDIUM
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 33
Acidity in the sugarcane juice is removed by adding
MEDIUM
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 34
Which of the following salts on dissolving in water will give a solution with pH less than 7 at 298 K?
HARD
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 35

In the given series of reactions, what are Y and Z respectively?

Question Image
(Q is used in removing permanent hardness of water.)

MEDIUM
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 36
What will be the pH value of a solution if salt of a strong acid and weak base undergoes hydrolysis?
MEDIUM
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 37
The equation between an acid and a base is
XOH+HY→XY+H2O
Which of the following is the cation part of salt?
MEDIUM
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 38
P is produced by the action of chlorine on dry slaked lime. Q is a non-corrosive base and used for faster cooking. On heating R at 373 K, it becomes calcium sulphate hemihydrate. Identify P, Q and R respectively.
MEDIUM
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 39
Two solutions A and B were found to have pH value of 6 and 8 respectively. The inference that can be drawn is