MEDIUM
7th CBSE
IMPORTANT
Earn 100

Explain why, calamine solution is applied on the skin where an ant bites.

Important Questions on Acids, Bases and Salts

MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 5 - Acids, Bases and Salts>Short Answer Type Questions>Q 32
The soil in a field is highly acidic. Name two materials which can be added to this soil to reduce the acidity. Give reason for your choice.
MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 5 - Acids, Bases and Salts>Short Answer Type Questions>Q 33
What material should be added to a soil which is too basic? How does this material help in reducing the basic nature of soil?
MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 5 - Acids, Bases and Salts>Short Answer Type Questions>Q 34
What is an antacid? How does an antacid work? Name any one antacid.
MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 5 - Acids, Bases and Salts>Short Answer Type Questions>Q 35

Which acid is produced in our stomach? What happens when there is an excess of acid in the stomach? How can its effect be cured?

EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 5 - Acids, Bases and Salts>Short Answer Type Questions>Q 36
Give one important use of Milk of magnesia (magnesium hydroxide) in our everyday life.
MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 5 - Acids, Bases and Salts>Short Answer Type Questions>Q 37
What happens when an ant stings? What is its remedy?
HARD
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 5 - Acids, Bases and Salts>Short Answer Type Questions>Q 38
A shopkeeper has a few bottles of soft drinks in his restaurant which are not labelled. One customer wants acidic drink, another wants basic drink and the third one wants neutral drink. How will the shopkeeper decide which drink is to be served to whom?
MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 5 - Acids, Bases and Salts>Short Answer Type Questions>Q 39
State the main differences between acids and bases.