Class 7 · Science · Medium level · 8 questions
Chemical Reactions & Neutralisation: Medium 1
How to tell a new substance has formed, and what happens when acid meets alkali. In Class 7 Science the topic covers signs of a chemical reaction, acids and alkalis, indicators and neutralisation. This quiz is a step up: the questions ask you to use the ideas as well as recognise them. 8 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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