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10th CBSE
IMPORTANT
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What happens when CO2 is passed through lime water in limited amount?

Important Questions on Acids, Bases And Salts

HARD
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 1
What happens when CO2 is passed through lime water in excess?
HARD
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 2
What precaution must be taken while diluting a concentrated acid?
HARD
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 3
Crystals of copper sulphate are heated in a test tube for some time. What is the colour of copper sulphate crystals before heating?
 
HARD
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 3
Crystals of copper sulphate are heated in a test tube for some time. What is the colour of copper sulphate crystals after heating?
 
HARD
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 3
Crystals of copper sulphate are heated in a test tube for some time. What is the source of liquid droplets seen on the inner upper side of the test tube during the heating process?
 
HARD
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 4
Ammonia is also considered as a base although it does not contain hydroxyl ion. Why?
HARD
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 5
Name the products formed when sodium hydrogencarbonate is heated.
HARD
10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 5
Write the chemical equation for the reaction when sodium hydrogencarbonate is heated.