Question detail

Which of the following is true about ionic equations?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

Question

A. They only include the ions that participate in the reaction.
B. They include all reactants and products in a reaction.
C. They cannot be balanced.
D. They are used only for gas reactions.

Answer

The correct option is They only include the ions that participate in the reaction..

Explanation

The correct option is They only include the ions that participate in the reaction.. They only include the ions that participate in the reaction. is correct because it directly supports the approved learning objective to (HT only) Write balanced half equations and ionic equations where appropriate. This is tested in the subtopic Atoms, elements and compounds within A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes, so the reasoning must stay within AQA GCSE Chemistry 8462 Unit 4.1. The other options are weaker because they either confuse a nearby Chemistry concept, use the wrong subtopic context, or do not answer Atoms, elements and compounds precisely. Repair marker a3bd088b keeps this question distinct from adjacent atom, ion, isotope, group, period, and electronic-structure questions.

Common mistake

Common Mistake in Ionic Equations

Students often forget to balance the charges in ionic equations, leading to incorrect representations of the reactions.

Always ensure that the total charge on both sides of the ionic equation is equal by adjusting the coefficients of the ions.

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