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Leaving Cert Physics & Chemistry: Volumetric analysis

How often Volumetric analysis comes up on the Physics & Chemistry papers, every year it was asked, and questions to try.

HL Asked on 9 of the last 9 Higher Level papers, most recently in 2025. banker

OL Asked on 9 of the last 9 Ordinary Level papers, most recently in 2025. banker

Volumetric analysis, Higher Level(8 marks)

Quick ones on Volumetric analysis.

(a)What is a standard solution?
  1. A solution with a pH of exactly 7 at 25 °C
  2. A solution whose concentration is accurately known
  3. Any solution of an acid or base in deionised water
(b)Best indicator for titrating HCl against Na2CO3 solution?
  1. Universal indicator
  2. Phenolphthalein
  3. Methyl orange
(c)20 cm³ of 0.1 M H2SO4 exactly neutralises 25 cm³ of NaOH solution. Molarity of the NaOH?
  1. 0.16 M
  2. 0.04 M
  3. 0.08 M
Show the answers

(a) A solution whose concentration is accurately known

(b) Methyl orange

(c) 0.16 M

Your turn: Higher Level questions on Volumetric analysis.

Higher Level

Asked on 9 of the last 9 Higher Level papers, most recently in 2025. banker

Every paper, year by year

YearWhere it came up
2025Q9
2024Q9
2023Q9
2022Q7(l), Q9
2021Q9
2019Q7(e), Q9
2018Q9
2017Q9
2016Q9

Links open the State Examinations Commission’s paper for that year.

Ordinary Level

Asked on 9 of the last 9 Ordinary Level papers, most recently in 2025. banker

Every paper, year by year

YearWhere it came up
2025Q10
2024Q10
2023Q10
2022Q7(d), Q10
2021Q10
2019Q10
2018Q7(f), Q10
2017Q10
2016Q10

Links open the State Examinations Commission’s paper for that year.

More Volumetric analysis questions

Volumetric analysis, 2 marks

A standard solution is one of?

  1. pH exactly 7 at room temperature
  2. Tap water with any dissolved solute
  3. Accurately known concentration
Show the answer

Accurately known concentration

It is made by dissolving an exact mass of a pure solid (e.g. anhydrous Na2CO3) in deionised water in a volumetric flask, then inverting to mix.

Volumetric analysis, 2 marks

The burette will hold hydrochloric acid. What is it rinsed with last, before filling?

  1. The base solution
  2. The hydrochloric acid
  3. Deionised water
Show the answer

The hydrochloric acid

Water left inside would dilute the acid. The pipette is rinsed with the solution it measures; only the conical flask is rinsed with deionised water.

Volumetric analysis, 2 marks

Why is a white tile placed under the conical flask during a titration?

  1. To see the colour change clearly
  2. To keep the flask and its contents cool
  3. To speed up the reaction in the flask
Show the answer

To see the colour change clearly

The end point is shown by a single drop changing the indicator colour. A white background makes that change easy to spot.

Other Physics & Chemistry topics

All of Leaving Cert Physics & Chemistry