From which organisms litmus is extracted?

Important Questions on Acids, Bases and Salts

MEDIUM

7th CBSE

IMPORTANT

SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q V

Write the name of a synthetic or chemical indicator. (Litmus/ Methyl orange)

MEDIUM

7th CBSE

IMPORTANT

SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q V

Name the base that is used as an antacid. 

HARD

7th CBSE

IMPORTANT

SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q VI

Name any two mineral acids and two organic acids  

MEDIUM

7th CBSE

IMPORTANT

SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q VI

What is the use of litmus paper ? 

HARD

7th CBSE

IMPORTANT

SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q VI

Name three common indicators.

MEDIUM

7th CBSE

IMPORTANT

SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q VI

What happens when an acid reacts with a base? 

HARD

7th CBSE

IMPORTANT

SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q VI

Write a reaction in which an acid reacts with a base. 

HARD

7th CBSE

IMPORTANT

SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q VII

Write the uses of at least five acids.