UPSC CSE Prelims 2023 Q60 — Science & Technology PYQ with Answer

With reference to green hydrogen, consider the following statements :

1. It can be used directly as a fuel for internal combustion.

2. It can be blended with natural gas and used as fuel for heat or power generation.

3. It can be used in the hydrogen fuel cell to run vehicles.

How many of the above statements are correct?