What is the use of Litmus?

Important Questions on Acids, Bases and Salts

EASY

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 6

What is the use of Methyl orange?

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 6

What is the use of phenolphthalein?

EASY

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 7

What happens when a drop of litmus solution is added to vinegar?

EASY

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 7

What happens when a drop of litmus solution is added to Limewater?

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 7

What happens when a drop of litmus solution is added to water or syrup?

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 8

What does pH value of a solution denote?

EASY

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 9

What is the pH value of pure water?

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 10

How do we make use of colour from china rose as an indicator in determining the acidic or basic nature of a solution?