Question 8
Question 8 of 40
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Periodic Table
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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
12. Nitrogen and sulfur
12.1. Nitrogen and sulfur

describe the role of NO and NO\(_2\) in the formation of acid rain both directly and in their catalytic role in the oxidation of atmospheric sulfur dioxide

6. Electrochemistry
6.1. Redox processes: electron tran...

explain and use the terms redox, oxidation, reduction and disproportionation in terms of electron transfer and changes in oxidation number