EASY
9th Tamil Nadu Board
IMPORTANT
Earn 100

Write any four uses of acids.

Important Questions on Acids, Bases and Salts

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 14 - Acids, Bases and Salts>textbook exercises>Q ii
Give the significance of pH of soil in agriculture.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 14 - Acids, Bases and Salts>textbook exercises>Q ii
What are the various uses of aqua regia?
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 14 - Acids, Bases and Salts>textbook exercises>Q ii
What are the uses of Plaster of Paris?
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 14 - Acids, Bases and Salts>textbook exercises>Q ii
Two acids 'A' and 'B' are given. Acid A gives one hydrogen ion per molecule of the acid in solution. Acid B gives two hydrogen ions per molecule of the acid in solution. Find out acid A and acid B.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 14 - Acids, Bases and Salts>textbook exercises>Q ii
Two acids 'A' and 'B' are given. Acid A, hydrochloric acid or nitric acid gives one hydrogen ion per molecule of the acid in solution. Acid B, sulphuric acid gives two hydrogen ions per molecule of the acid in solution. Which acid is called the King of chemicals?
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 14 - Acids, Bases and Salts>textbook exercises>Q ii
Define aqua regia.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 14 - Acids, Bases and Salts>textbook exercises>Q ii

Correct the mistakes in the following:

Washing soda is used for making cakes and bread soft and spongy.

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 14 - Acids, Bases and Salts>textbook exercises>Q ii

Correct the mistakes in the following:

Calcium sulphate hemihydrate is used in textile industry.