Question

Inspite of danger involved with hydrogen, it is used as fuel for some applications. What are these?

• A. Rocket fuel
• B. Oxyhydrogen flame
• C. Car fuel
• D. All of the above

Answer 1

The correct option is D All of the above

Because of its high calorific value, it is used as rocket fuel. It is also used for cutting and welding as oxyhydrogen flame. Some latest car manufacturers have started experimenting hydrogen as a car fuel under stringent safety conditions. Approx 5% of hydrogen is used with regular fuel in cars.

Hence, the correct option is $\text{D}$