EASY
10th CBSE
IMPORTANT
Earn 100

Under what soil conditions do you think a farmer would treat the soil of his fields with quicklime (calcium oxide), or slaked lime (calcium hydroxide) or chalk (calcium carbonate)?

Important Questions on Acids, Bases And Salts

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 29
Which acid is produced in our stomach? What happens if there is an excess of acid in the stomach? How can its effect be cured?
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 30
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.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 31

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
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 32
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
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 33
What would you expect the pH of pure water to be?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 33
What colour would the universal indicator show in an aqueous solution of sugar? Why?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 33
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
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 34
What do you think will be the pH in the stomach of a person suffering from indigestion: less than 7 or more than 7?