Science: Middle School: Grades 6, 7 and 8 Quiz - Acids and Alkalis (Answers)
This Science quiz is called 'Acids and Alkalis' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.
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As a Science student, you will be familiar with using pH indicators to tell whether a substance is acidic, alkaline or neutral.
See how much you have learned by trying this quiz dealing with Acids and Alkalis.
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Citrus fruit (oranges, lemons etc) contain citric acid
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Hydrangea flowers can be blue or pink depending on the pH of the soil
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The acid kills bacteria
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