Question 17
Question 17 of 40
Question image for Q17
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
7. Equilibria
7.2. Brønsted–Lowry theory of acids...

state the names and formulas of the common acids, limited to hydrochloric acid, HCl, sulfuric acid, \( H_2SO_4 \), nitric acid, \( HNO_3 \), ethanoic acid, \( CH_3COOH \)

10. Group 2
10.1. Similarities and trends in th...

describe, and write equations for, the reactions of the oxides, hydroxides and carbonates with water and dilute hydrochloric and sulfuric acids

11. Group 17
11.4. The reactions of chlorine

explain, including by use of an equation, the use of chlorine in water purification to include the production of the active species HOCI and CIO\(^-\) which kill bacteria