MEDIUM
8th ICSE
IMPORTANT
Earn 100

List some sources of hydrogen.

Important Questions on Hydrogen

MEDIUM
8th ICSE
IMPORTANT
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
Write precautions to take while preparing hydrogen in a laboratory.
MEDIUM
8th ICSE
IMPORTANT
Discuss any two methods of industrial preparation of hydrogen.
MEDIUM
8th ICSE
IMPORTANT
What is redox reaction?
HARD
8th ICSE
IMPORTANT
Elaborate the statement - Hydrogen is a reducing agent.
MEDIUM
8th ICSE
IMPORTANT
State five uses of hydrogen.
MEDIUM
8th ICSE
IMPORTANT
Write chemical equation for the following:
Sodium reacts with water.
 
HARD
8th ICSE
IMPORTANT

Write chemical equation for the following:

Steam is passed over red hot iron.