MEDIUM
10th CBSE
IMPORTANT
Earn 100

What do you understand by the term hydronium ion?

Important Questions on Acids, Bases And Salts

MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2B>Q 2
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
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2B>Q 2
Why does the colour of dry blue litmus paper not change to red with dry HCI gas?
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2B>Q 3
Name two insoluble bases and write chemical equations for their reaction with sulphuric acid.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2B>Q 1
Describe an activity to show that acids produce ions only in an aqueous solution.
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2B>Q 1
Name the acid present in ant sting and give its chemical formula. Also give the common method to get relief from the discomfort caused by ant sting.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 1
Which one of the following is not a neutral salt?
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 2
Plaster of Paris on mixing with water forms fine crystals of:
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 3

Match the chemical substances given in Column (A) with their appropriate application given in Column (B).

  Column(A)   Column (B)
(a) Bleaching powder (i) Preparation of glass
(b) Baking soda (ii) Production of H2 and Cl2
(c) Washing soda  (iii) Decolourisation
(d) Sodium chloride (iv) Antacid