Chemical ChangesDiagram

Neutralisation at the Particle Level

Part of Neutralisation Reactions — GCSE Chemistry

This diagram covers Neutralisation at the Particle Level within Neutralisation Reactions for GCSE Chemistry. Revise Neutralisation Reactions in Chemical Changes for GCSE Chemistry with 20 exam-style questions and 20 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 3 of 13 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 3 of 13

Practice

20 questions

Recall

20 flashcards

📐 Neutralisation at the Particle Level

Visual equation showing acid plus base produces salt plus water, with particle diagram of H⁺ ions meeting OH⁻ ions to form H₂O

Figure 1: H⁺ ions and OH⁻ ions combine to form water molecules

Keep building this topic

Read this section alongside the surrounding pages in Neutralisation Reactions. That gives you the full topic sequence instead of a single isolated revision point.

Deep Dive: The Core Neutralisation Reaction How It Works: H⁺ + OH⁻ → H₂O — The Core Reaction The Balancing Act The Four Types of Acid Reactions

Practice Questions for Neutralisation Reactions

Which word equation correctly represents a neutralisation reaction?

A. acid + metal → salt + hydrogen
B. acid + metal carbonate → salt + water + carbon dioxide
C. acid + metal oxide → salt + hydrogen
D. acid + alkali → salt + water

1 markfoundation

Explain why the ionic equation for any strong acid-alkali neutralisation is always H⁺(aq) + OH⁻(aq) → H₂O(l).

2 marksstandard

Quick Recall Flashcards

HCl + NaOH → ?

NaCl + H₂O (sodium chloride + water)

HNO₃ + NaOH → ?

NaNO₃ + H₂O (sodium nitrate + water)

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Deep Dive: The Core Neutralisation Reaction

How It Works: H⁺ + OH⁻ → H₂O — The Core Reaction