Q99 · UPSC Prelims 2023 · Set A · Environment and Ecology

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Consider the following heavy industries :1.Fertilizer plants2.Oil refineries3.Steel plants Green hydrogen is expected to play a significant role in decarbonizinghow many of the above industries?

A Only one
B Only two
C All three
D None

Correct answer: (c) All three

Explanation

  1. A

    Only one

    Only one. Green hydrogen is discussed for all three heavy industries.

  2. B

    Only two

    Only two. Fertilizer, refining and steel are all hard-to-abate users of hydrogen / heat.

  3. C

    All three

    All three. Ammonia for fertilizer, refinery hydrogen, and steel DRI / heat.

  4. D

    None

    None. Each is a National Green Hydrogen Mission use-case.

Summary. Official key is (c) all three. Green hydrogen is expected to cut emissions in fertilizer (green ammonia), oil refining (process hydrogen) and steel (DRI / high-heat). None of the three is outside that map.

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