HARD
10th CBSE
IMPORTANT
Earn 100

The soil in a field is highly acidic. Name two materials that can be added to this soil to reduce its acidity. Give the reasons for your choice.

Important Questions on Acids, Bases And Salts

MEDIUM
10th CBSE
IMPORTANT

What is meant by strong bases and weak bases?

Classify the following into strong bases and weak bases
NH4OH, CaOH2, NaOH, KOH, MgOH2.

MEDIUM
10th CBSE
IMPORTANT
What ions are present in the solutions of following substances? (write the symbols only)
(i) Hydrochloric acid (ii) Nitric acid (iii) Sulphuric acid (iv) Sodium hydroxide
(v) Potassium hydroxide (vi) Magnesium hydroxide
EASY
10th CBSE
IMPORTANT
What would you expect the pH of pure water to be?
EASY
10th CBSE
IMPORTANT
What colour would the universal indicator show in an aqueous solution of sugar? Why?
EASY
10th CBSE
IMPORTANT
A sample of rainwater turned universal indicator paper yellow. What would you expect its pH to be? Is it a strong or a weak acid?
EASY
10th CBSE
IMPORTANT
What do you think will be the pH in the stomach of a person suffering from indigestion: less than 7 or more than 7?
EASY
10th CBSE
IMPORTANT
What do you think will be the pH of an antacid solution: less than 7 or more than 7?