MEDIUM
8th ICSE
IMPORTANT
Earn 100

List some sources of hydrogen.

Important Questions on Hydrogen

MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Exercise>Q E
Demonstrate the laboratory preparation of hydrogen gas. Draw a well labelled diagram, also write equations of reaction. Discuss the preference of zinc granules to other metals for the process.
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Exercise>Q E
Write precautions to take while preparing hydrogen in a laboratory.
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Exercise>Q E
Discuss any two methods of industrial preparation of hydrogen.
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Exercise>Q E
What is redox reaction?
HARD
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Exercise>Q E
Elaborate the statement - Hydrogen is a reducing agent.
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Exercise>Q E
State five uses of hydrogen.
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Exercise>Q F
Write chemical equation for the following:
Sodium reacts with water.
 
HARD
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Exercise>Q F

Write chemical equation for the following:

Steam is passed over red hot iron.