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1.1 Formulae, equations and hazards

1.1 Formulae, equations and hazards

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Question 6
F

A student adds dilute hydrochloric acid to sodium hydroxide solution in a flask until the solution is neutral.

a.

Name the ion that is present in all acidic solutions.

[1]
b.

Name the ion that is present in all alkaline solutions.

[1]
c.

Name the type of reaction that happens between an acid and an alkali.

[1]
d.

Name the salt formed in this reaction.

[1]
e.

Complete the ionic equation for the reaction by writing the formula of the missing ion, with its state symbol.

H+(aq)+......→H2O(l)\mathrm{H^{+}(aq)} + ...... \rightarrow \mathrm{H_{2}O(l)}H+(aq)+......→H2​O(l)

[1]
f.

State the pH of the solution when it is neutral.

[1]
Markscheme

1.1 Formulae, equations and hazards Questions

  1. GCSE
  2. /Chemistry
  3. /1.1 Formulae, equations and hazards

230 exam-style questions on Edexcel GCSE Chemistry 1.1 Formulae, equations and hazards, covering 1.1.1 Formulae, word and balanced equations, 1.1.2 Balanced ionic equations, and 1.1.3 Hazard symbols and risk in practical work. Each one has a worked solution and a mark scheme showing where the marks go.

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