EASY
10th CBSE
IMPORTANT
Earn 100

Why does sodium bicarbonate act as antacid?

Important Questions on Acids, Bases And Salts

MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 2
Dry hydrogen chloride gas does not turn blue litmus solution red whereas aqueous hydrochloric acid does. Give one reason.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 3
Write a chemical equation for the reaction of carbon dioxide with bleaching powder.
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 4
Fresh milk has a pH of 6. How do you think the pH will change as it turns into curd? Explain your answer.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 5
How is the concentration of hydronium ions (H3O+) affected when a solution of an acid is diluted?
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 6
A piece of zinc metal is dropped in dilute solution of hydrochloric acid. Answer the following:
Which gas is liberated when the metal reacts with the acid?
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 6

A piece of zinc metal is dropped in dilute solution of hydrochloric acid. Answer the following:

How will you test the presence of the liberated gas?

MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 7
Name the constituents of baking powder. What is the function of each constituent of baking powder in the manufacture of cake.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 8
Tooth enamel is one of the hardest substances in our body. How does it damage due to eating of chocolates and sweets? What should we do to prevent it?