Question 40
Question 40 of 40
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Periodic Table
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
11. Organic chemistry
11.6. Alcohols

Describe the manufacture of ethanol by: (a) fermentation of aqueous glucose at 25–35°C in the presence of yeast and in the absence of oxygen (b) catalytic addition of steam to ethene at 300°C and 6000kPa/60 atm in the presence of an acid catalyst

11. Organic chemistry
11.5. Alkenes

State that in an addition reaction only one product is formed