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3.3 Types of chemical reactions

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Question 26
H

A student has 10 cm310\,\mathrm{cm^{3}}10cm3 of hydrochloric acid with a pH of 1.

What volume of water must the student add to the acid to make a solution with a pH of 2?

[1]
A

10 cm310\,\mathrm{cm^{3}}10cm3

B

90 cm390\,\mathrm{cm^{3}}90cm3

C

100 cm3100\,\mathrm{cm^{3}}100cm3

D

990 cm3990\,\mathrm{cm^{3}}990cm3

Markscheme

3.3 Types of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /3.3 Types of chemical reactions

53 exam-style questions on OCR GCSE Chemistry 3.3 Types of chemical reactions, covering 3.3.1 Oxidation and reduction in terms of oxygen, 3.3.2 Acids, alkalis and neutralisation, 3.3.3 The pH scale and measuring pH, 3.3.4 Oxidation and reduction in terms of electrons, 3.3.5 Dilute and concentrated, weak and strong acids, and 3.3.6 Hydrogen ion concentration and pH. Each one has a worked solution and a mark scheme showing where the marks go.

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