HARD
7th CBSE
IMPORTANT
Earn 100

Which chemicals are used in fire extinguisher?

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 9
Name a base which is used for making soft soaps?
MEDIUM
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 10
What is gypsum and its uses?
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 1
What are neutral substances?
HARD
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 2
Name two neutral (a)solids (b)liquids and (c)gases.
MEDIUM
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 3
What do you understand by neutralisation?
HARD
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 4
You are holding two test tubes, one with clear limewater and the other with clear water but you have forgotten to mark them. How would you find out which is which?
MEDIUM
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 5
How would you treat a sting from a honeybee?
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q I

A substance that changes colour to indicate the acidic or basic nature of a substance or solution.