Q19 · 2021 · Paper 1Unclassified1 mark
QUESTION 19
To form ethanol biofuel in the fermentation of glucose, a catalyst is used because
(A) less energy is required and the rate of reaction is increased.
(B) less energy is required and the rate of reaction is decreased.
(C) more energy is required and the rate of reaction is increased.
(D) more energy is required and the rate of reaction is decreased.
WORKED SOLUTION
1 markAnswer A
OFFICIAL ANSWERA
QCAA awards 1 mark for selecting option A.
Correct option from the official QCAA answer key.