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प्रश्न
Fill in the blank
A catalyst either ................or ............... the rate of a chemical change but itself remains ............... at the end of the reaction.
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उत्तर
A catalyst either increases or decreases the rate of a chemical change but itself remains unchanged at the end of the reaction.
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संबंधित प्रश्न
What are chemical reactions?
Fill in the blank
A change in which the substance can be brought back to its original state is called a _______ change.
What is a chemical reaction?
Multiple choice:
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______ is the chemical name of limestone.
Define the following term:
Chemical change
