Question 12
Question 12 of 40
Question image for Q12
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
9. The Periodic Table: ch...
9.2. Periodicity of chemical proper...

describe, and write equations for, the reactions, if any, of the oxides Na₂O, MgO, Al₂O₃, SiO₂, P₄O₁₀, SO₂ and SO₃ with water including the likely pHs of the solutions obtained

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

appreciate that water has pH of 7, acid solutions pH of below 7 and alkaline solutions pH of above 7