HARD
7th CBSE
IMPORTANT
Earn 100

Differentiate between minerals and organic acids. Also, give examples of each.

Important Questions on Acids, Bases and Salts

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 8 - Acids, Bases and Salts>EVALUATE>Q 2
Name the acids found in tea and unripe mangoes.
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 8 - Acids, Bases and Salts>EVALUATE>Q 3
Name any one natural indicator and one synthetic indicator.
HARD
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 8 - Acids, Bases and Salts>EVALUATE>Q 4
Define neutralisation reaction. Also, give one example.
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 8 - Acids, Bases and Salts>EVALUATE>Q 5
Give two uses of potassium hydroxide.
HARD
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 8 - Acids, Bases and Salts>EVALUATE>Q 6
Give the procedure by which slaked lime, i.e., calcium hydroxide, can be prepared by using calcium oxide.
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 8 - Acids, Bases and Salts>EVALUATE>Q 1
While diluting an acid, why it is advised to add the acid to water and not vice versa?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 8 - Acids, Bases and Salts>EVALUATE>Q 2
Write a balanced chemical equation for the neutralisation reaction between hydrochloric acid and calcium hydroxide.
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 8 - Acids, Bases and Salts>EVALUATE>Q 3
What is the effect of nitric acid and sodium hydroxide on the red litmus paper indicator?