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Senior High School · WASSCE style

Chemistry

Question 1

125 cm³ of 0.15 mol/dm³ HCl neutralised 25.0 cm³ of NaOH solution. What is the concentration of the NaOH?

Medium
Question 2

2A conical flask may contain some distilled water before titration.

Hard
Question 3

322.5 cm³ of 0.2 mol/dm³ HCl neutralised 25.0 cm³ of NaOH solution. What is the concentration of the NaOH?

Medium
Question 4

4A 0.5 mol/dm³ solution of Na₂CO₃ has what mass concentration?

Easy
Question 5

5A standard solution is one

Easy
Question 6

6A 0.5 mol/dm³ solution of HCl has what mass concentration?

Easy
Question 7

712.5 cm³ of 0.2 mol/dm³ HCl neutralised 25.0 cm³ of NaOH solution. What is the concentration of the NaOH?

Medium
Question 8

815 cm³ of 0.2 mol/dm³ H₂SO₄ neutralised 25.0 cm³ of NaOH. H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O. Find the concentration of the NaOH.

Hard
Question 9

9Moles of solute in 20.0 cm³ of 0.5 mol/dm³ acid = ___ mol.

Easy
Question 10

10A 0.25 mol/dm³ solution of Na₂CO₃ has what mass concentration?

Easy

Demo questions written by Otisam in the style of the WASSCE. They are not WAEC past questions.