EASY
11th Odisha Board
IMPORTANT
Earn 100

What is the oxidation number of oxygen in hydrogen peroxide?

Important Questions on Hydrogen

HARD
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 11 - Hydrogen>QUESTIONS>Q 16
Give examples showing electropositive and electronegative character of hydrogen.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 11 - Hydrogen>QUESTIONS>Q 17
How hydrogen peroxide restores the colour of old oil paintings? 
HARD
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 11 - Hydrogen>QUESTIONS>Q 18
Name the isotopes of hydrogen with mass. 
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 11 - Hydrogen>QUESTIONS>Q 19
Name one reaction water acts as an oxidising agent.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 11 - Hydrogen>QUESTIONS>Q 19
Name one reaction water acts as a reducing agent.
HARD
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 11 - Hydrogen>QUESTIONS>Q 1
Discuss the position of hydrogen in the periodic table.
HARD
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 11 - Hydrogen>QUESTIONS>Q 2
Mention one method preparation of hydrogen peroxide. Show with equations what happens when it reacts with lead sulphide.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 11 - Hydrogen>QUESTIONS>Q 2
Show with equations what happens when hydrogen peroxide reacts with ozone.