MEDIUM
10th CBSE
IMPORTANT
Earn 100

How will you test for a gas, which is liberated when hydrochloric acid reacts with active metal?

Important Questions on Acids, Bases And Salts

MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2A>Q 4
Name the gas evolved, when dilute HCl reacts with sodium hydrogen carbonate. How is it recognised?
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2A>Q 5
Name the gas evolved when dilute sulphuric acid reacts with sodium carbonate. Write the chemical equation for the reaction involved.
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.