Question 39
Question 39 of 40
Question image for Q39
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
11.5. Alkenes

Describe the test to distinguish between saturated and unsaturated hydrocarbons by their reaction with aqueous bromine

6. Chemical reactions
6.4. Redox

Identify redox reactions by the colour changes involved when using acidified aqueous potassium manganate(VII) or aqueous potassium iodide