Q.No.1

How many neutrons are there in protium?

Q.No.2

Hydrogen cannot be obtained by

Q.No.3

Atomic Hydrogen produces formaldehyde if it reacts with

Q.No.4

The pair that yields the same gaseous product when react with water is

Q.No.5

Which of the following doesn't displace hydrogen?

Q.No.6

Number of neutrons present in protium is

Q.No.7

A deuteron contains

Q.No.8

Ortho and Para hydrogen differ in

Q.No.9

In the preparation of vanaspati ghee, the chemical reaction involving hydrogen in presence of catalyst is called

Q.No.10

Hydrogen may be produced by the action of cold water on


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