MEDIUM
10th CBSE
IMPORTANT
Earn 100

Define a universal indicator. Mention its one use.

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 11
Solution A gives pink colour when a drop of phenolphthalein indicator is added to it. Solution B gives red colour when a drop of methyl orange is added to it. What type of solutions are A and B and which one of the solutions A and B will have a higher pH value?
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 11
Name one salt whose solution has pH more than 7 and one salt whose solution has pH less than 7.
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 12
Hydrated copper sulphate on heating changes to
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 13
An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 14
A student added a drop of universal indicator to 1 mL of the given solution and found that a green colour is produced. pH value of the solution will be in the range of:
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 15
Dilute hydrochloric acid is added to sodium carbonate. It is observed that.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 16
Which gas is produced when aluminium metal reacts with NaOH solution? How will you test this gas?
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>TEST YOURSELF>Q 17

What will be the colour produced when a drop of phenolphthalein is added to Sodium nitrate, Copper chloride, Sodium chloride, Sodium acetate.