Hydrogen NDA Questions

Hydrogen MCQ Questions

1.
What is the colour of moist hydrogen?
A.
Green
B.
Violet
C.
Red
D.
White
ANSWER :
D. White
2.

Which of the following compounds will react with hydrogen gas to produce ammonia?

A.

O2

B.

CO2

C.

Mg3N2

D.

Al

ANSWER :

C. Mg3N2

3.
Which of the following is not a type of hydrogen bond?
A.
Covalant
B.
Ionic
C.
Intermolecular
D.
None of these
ANSWER :
B. Ionic
4.
Which of the following statements is true about hydrogen peroxide?
A.
It is a stable compound
B.
It is a strong reducing agent
C.
It is a colorless gas
D.
It is used as a bleaching agent
ANSWER :
D. It is used as a bleaching agent
5.
What is the process used to produce hydrogen from coal?
A.
Thermal decomposition
B.
Photosynthesis
C.
Electrolysis
D.
Photolysis
ANSWER :
A. Thermal decomposition
6.
Which of the following is the main component of limestone?
A.
Potassium nitrate
B.
Sodium chloride
C.
Calcium carbonate
D.
None of these
ANSWER :
C. Calcium carbonate