Class 7 · Science · Easy level · 5 questions
Chemical Reactions & Neutralisation, 10-26
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 the easy start: the questions check the basic ideas, the right one to take straight after reading the lesson. 5 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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