EASY
7th CBSE
IMPORTANT
Earn 100

What is the colour of the phenolphthalein indicator?

Important Questions on Acids, Bases and Salts
EASY
7th CBSE
IMPORTANT
Which acid is produced in our stomach?

EASY
7th CBSE
IMPORTANT
Why do curd, lemon juice, and tamarind taste sour?

EASY
7th CBSE
IMPORTANT
How will you test whether a given solution is acidic, basic or neutral with a litmus paper?

MEDIUM
7th CBSE
IMPORTANT
What happens in the stomach when we eat very spicy food?

MEDIUM
7th CBSE
IMPORTANT
How will you test whether a given solution is acidic, basic or neutral with china rose indicator?

MEDIUM
7th CBSE
IMPORTANT
Why is an antacid tablet taken when you suffer from acidity?

MEDIUM
7th CBSE
IMPORTANT
How does litmus indicator work?

MEDIUM
7th CBSE
IMPORTANT
Give one use of sulphuric acid.
