Unit 12 · Experimental Techniques and Chemical Analysis

Question Bank

Cambridge IGCSE Chemistry 0620 · 59 questions

Q28Experimental Techniques and Chemical Analysis

25.0 cm³ of 0.10 mol/dm³ NaOH is neutralised by 12.5 cm³ of HCl. The concentration of the acid is

(a)0.20 mol/dm³

(b)0.050 mol/dm³

(c)0.10 mol/dm³

(d)0.40 mol/dm³

Correct answer: (a) 0.20 mol/dm³

Explanation: 0.0025 mol in 0.0125 dm³.

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