In a reaction, catalyst changes ____________.
(i) Physically
(ii) Qualitatively
(iii) Chemically
(iv) Quantitatively
In a reaction, catalyst changes ____________.
(i) Physically
(ii) Qualitatively
(iii) Chemically
(iv) Quantitatively
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1 Answer
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This is a Multiple Choice Type Questions as classified in NCERT Exemplar
Ans: (i) and (ii)
Substances which accelerate the rate of a chemical reaction and themselves remain chemically and quantitatively unchanged after the reaction, are known as catalysts they can undergo physical change so the answers are (i) and (ii).
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