HARD
7th CBSE
IMPORTANT
Earn 100

What are antacids? Name two of its main components.

Important Questions on Acids, Bases and Salts

HARD
7th CBSE
IMPORTANT
Science 7>Chapter 5 - Acids, Bases and Salts>Summative ASSESSMENT>Q 5
How is the basic soil treated?
HARD
7th CBSE
IMPORTANT
Science 7>Chapter 5 - Acids, Bases and Salts>Summative ASSESSMENT>Q 1
What will you observe when a drop of sodium hydroxide is added to blue litmus?
 
HARD
7th CBSE
IMPORTANT
Science 7>Chapter 5 - Acids, Bases and Salts>Summative ASSESSMENT>Q 1
What will you observe when a drop of hydrochloric acid is added to China rose indicator?

HARD
7th CBSE
IMPORTANT
Science 7>Chapter 5 - Acids, Bases and Salts>Summative ASSESSMENT>Q 1
What will you observe when a drop of dilute sulphuric acid is added to red-cabbage juice?
 
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 5 - Acids, Bases and Salts>Summative ASSESSMENT>Q 2
An acidic substance is mixed with an equivalent amount of a basic substance. What is the reaction called? 
 
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 5 - Acids, Bases and Salts>Summative ASSESSMENT>Q 2
An acidic substance is mixed with an equivalent amount of a basic substance. What are the products formed?
 
HARD
7th CBSE
IMPORTANT
Science 7>Chapter 5 - Acids, Bases and Salts>Summative ASSESSMENT>Q 3
What is the nature of a solution of washing soda? How will you confirm it?
 
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 5 - Acids, Bases and Salts>Summative ASSESSMENT>Q 4
Give two points of difference between an acid and a base.