The correct answer is option C: Catalyst
A substance that helps a reaction to take place, but does not participate in the reaction is called a catalyst.
In Chemistry, a catalyst is defined as a substance that increases the rate of a chemical reaction without itself undergoing any changes. This process is called catalysis.
There are 3 different types of catalysts: enzymatic, homogeneous, and heterogeneous.
The catalytic substance remains unchanged and does not consume during the reaction, Their only job is to speed up the reaction by breaking bonds and saving time and energy.
For example, during the commercial preparation of ammonia also called the 'Haber process' iron is added as a catalyst to accelerate the reaction rate.
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