Quiz: Indicators - Litmus, Methyl Orange, Phenolphthalein

Edexcel GCSE Chemistry

10 Steps8 Questions

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Building on what you've learned about acids, alkalis, and the pH scale, let's test your knowledge of indicators!

Multiple ChoiceInteractive

Which colour does litmus turn in acidic solutions?

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Multi-SelectInteractive

Which of the following are true about phenolphthalein? (Select all that apply)

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Fill in the BlankInteractive

Methyl orange turns {{blank0}} in acidic solutions and {{blank1}} in alkaline solutions.

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MatchingInteractive

Match the items on the left with their correct pairs on the right

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Multiple ChoiceInteractive

What is the pH range where phenolphthalein changes colour?

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Multi-SelectInteractive

Which of the following are correct uses for litmus paper? (Select all that apply)

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Fill in the BlankInteractive

Litmus paper turns {{blank0}} in alkaline solutions and {{blank1}} in acidic solutions.

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typedAnswer

Match the items on the left with their correct pairs on the right

Multiple ChoiceInteractive

Which indicator is best suited for testing solutions with a pH close to 7?

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