The correct statement regarding changes in the catalyst during a reaction is -
a. Physical
b. Qualitative
c. Chemical
d. Quantitative
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Hint: Quantity of catalyst remain unchaged only quality of catalyst changes
In a reaction catalyst changes physically and qualitatively as it is unaltered during the reaction and remain quantitatively intact after completion of reaction and chemically does not change:
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