Question 1
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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
7. Equilibria
7.2. Brønsted–Lowry theory of acids...

select suitable indicators for acid-alkali titrations, given appropriate data (\( pK_a \) values will not be used)

2. Atoms, molecules and s...
2.3. Formulas

(a) write and construct equations (which should be balanced), including ionic equations (which should not include spectator ions) (b) use appropriate state symbols in equations