Class 7 · Science · Easy level · 5 questions
Acids, Bases & Salts, 09-26
The pH scale, neutralisation, and why each step is ten times bigger. In Class 7 Science the topic covers three families of substance, indicators, the pH scale is not linear 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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Your score is saved against Acids, Bases & Salts, so you can see which topics are solid and which need another go.