Previous Year Questions
2 min read

Hydrogen

- It's good to be already prepared. Go through the previous year questions.
1
JEE Mains
Identify the incorrect statement regarding heavy water:
A
It is used as a coolant in nuclear reactors
B
It reacts with to produce and
C
It reads with to produce and
D
It reacts with to form deuterated sulphuric acid
Hydrogen peroxide acts both as an oxidising and as a reducing agent, depending upon the nature of the reacting species. In which of the following cases acts as a reducing agent in acid medium?
A
B
C
D
The synonym for water gas when used in the production of methanol is:
A
natural gas
B
laughing gas
C
syn gas
D
fuel gas
NaH is an example of : 
A
Electron-rich hydride
B
Molecular hydride
C
Saline hydride
D
Metallic hydride
2
JEE Advanced
Which of the following combination will produce gas?
A
metal and in the presence of air
B
metal and
C
metal and
D
metal and