Cambridge IGCSE Chemistry practice
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MCQ
Type
cambridge_mcq
Style
Topic
The characteristic properties of acids and bases
Exam-style question
What color does litmus paper turn when it comes into contact with an alkali?.
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Description
Alkalis affect the color of various indicators used in chemistry. Litmus, thymolphthalein, and methyl orange are common indicators that change color in response to pH levels.
State the color change of litmus when it is added to an alkaline solution.
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