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  • 01-03-2022
  • Chemistry
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help me pleaseʕ ꈍᴥꈍʔ​

help me pleaseʕ ꈍᴥꈍʔ class=

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fieryanswererft
fieryanswererft fieryanswererft
  • 01-03-2022

Answer:

(a) All are correct

Explanation:

catalyst a substance which speeds up a chemical reaction and remains itself unchanged.

example: Iron used in Haber process for the manufacture of ammonia.

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