MEDIUM
10th CBSE
IMPORTANT
Earn 100

Choose strong acid and strong base from the following:
CH3COOH, NH4OH, KOH, HCl.

Important Questions on Acids, Bases And Salts

MEDIUM
10th CBSE
IMPORTANT
Why should water be never added dropwise to concentrated sulphuric acid?
MEDIUM
10th CBSE
IMPORTANT
Which will be more acidic and why?
(i) A solution with pH value of 6.0 or (ii) A solution with pH value of 5.0
MEDIUM
10th CBSE
IMPORTANT
Match the acids given in Column (A) with their correct source given in Column (B)
Column (A) Column (B)
(a) Lactic acid (i) Tomato
(b) Acetic acid (ii) Lemon
(c) Citric acid (iii) Vinegar
(d) Oxalic acid (iv) Curd
EASY
10th CBSE
IMPORTANT
How does the flow of acid rain water into a river, make the survival of aquatic life in the river difficult?
MEDIUM
10th CBSE
IMPORTANT
What do you understand by the term hydronium ion?
MEDIUM
10th CBSE
IMPORTANT
Why do compounds like hydrochloric acid and sulphuric acid, show acidic character in aqueous solution, but compounds like alcohol and glucose do not?
EASY
10th CBSE
IMPORTANT
Why does the colour of dry blue litmus paper not change to red with dry HCI gas?
MEDIUM
10th CBSE
IMPORTANT
Name two insoluble bases and write chemical equations for their reaction with sulphuric acid.