HARD
10th CBSE
IMPORTANT
Earn 100

Name the gas evolved when dilute sulphuric acid reacts with sodium carbonate. Write the chemical equation for the reaction involved.

Important Questions on Acids, Bases And Salts

EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2A>Q 6
What happens when nitric acid is added to egg shell?
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2A>Q 7
What is observed when dilute sulphuric acid is added to solid sodium carbonate? Also write chemical equations.
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2A>Q 1
Metal oxides and metal hydroxides are called bases. Explain and support your answer with two chemical equations. Give an example of (i) a soluble base (ii) a partially soluble base. (iii) an insoluble base.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2A>Q 2
What are the colour of methyl orange, phenolphthalein and neutral litmus solution in: (a) lemon juice, (b) dilute sodium hydroxide? Write your answer in tabular form.
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2A>Q 3
Write the fully balanced equations for the reaction between:
(a) Magnesium bicarbonate with dilute sulphuric acid
(b) Copper carbonate and dilute nitric acid.
(c) Zinc carbonate and dilute hydrochloric acid
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2A>Q 4

Write fully balanced equations between:

(a) Copper oxide and dil. nitric acid

(b) Zinc oxide and dil. sulphuric acid.

(c) Iron (II) oxide and dil. hydrochloric acid.

HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2A>Q 5

Write fully balanced equations between:

(a) Copper hydroxide and nitric acid.

(b) Ferric hydroxide and hydrochloric acid

(c) Aluminium hydroxide and sulphuric acid.

HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2A>Q 1
Describe your observations:
(i) When sodium carbonate powder is treated with dilute hydrochloric acid. Write a fully balanced equation in support of your answer.
(ii) Carbon dioxide evolved in (i) above is passed through limewater for a long time. State your observations and support by two balanced chemical equations.