MEDIUM
10th ICSE
IMPORTANT
Earn 100

Write chemical equation when zinc granules react with hydrochloric acid.

Important Questions on Acids, Bases and Salts

MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 8
Write a chemical equation when zinc granules react with aluminium chloride.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 8
Write a chemical equation when zinc granules react with sodium hydroxide.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 9
Crystals of copper sulphate are heated in a test tube for some time.
What is the colour of copper sulphate crystals:
(i) before heating and (ii) after heating?
HARD
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 9
Crystals of copper sulphate are heated in a test tube for some time. What is the source of liquid droplets seen on the inner and upper side of the test tube during the heating process.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 10
The products are detained on electrolysis of the concentrated aqueous solution of a substance X and NaOH, Cl2 and H2. Name the substance 'X' ?
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 10
The products are obtained on electrolysis of the concentrated aqueous solution of a substance X and NaOH, Cl2 and H2. What is the special name of this process and why?
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 10
The products are detained on electrolysis of the concentrated aqueous solution of a substance X and NaOH, Cl2 and H2. Which gas is liberated at the anode?
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 10
The products are detained on electrolysis of the concentrated aqueous solution of a substance X and NaOH, Cl2 and H2. List one commercial use of NaOH.