What is a strong base?

Important Questions on Acids, Bases and Salts

MEDIUM

7th CBSE

IMPORTANT

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

Which base is called an alkali? Give example.

MEDIUM

7th CBSE

IMPORTANT

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

What has been stated by scientist Svante Arrhenius about a base and an acid?

MEDIUM

7th CBSE

IMPORTANT

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

Name the base which is obtained on dissolving ammonia gas in water?

EASY

7th CBSE

IMPORTANT

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

What is the nature of a substance when a red litmus paper turns blue on dipping it in its solution?

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 11

What will be the effect of washing soda on yellow stain from turmeric?

HARD

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 12

Describe in brief properties of bases?

EASY

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 1

Name the base from which we make soap for washing. (Sodium chloride/ Sodium hydroxide)

EASY

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>Test Your Learning Outcome>Q 2

Which base is used for making ‘Antacid’ medicine?