The starter and exit quiz of the lesson “Practical: red cabbage indicator solution”, from the unit “Acids and bases” (Year 9 Science) by Oak National Academy.
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Oak National Academy
12 questions
Match the following keywords to the correct description.
Which of the following statements about solvents is correct?
Which two of the following keywords can be used to describe a substance that can dissolve in a liquid?
Some pH scales have a range from 0 to 14. Which of the following would describe a substance with a pH of 0?
The pH range most commonly used is from 1 to 14. What does the term 'range' mean?
The lower the concentration of hydrogen ions in a solution, the ___ the pH of the solution.
A pupil uses red cabbage to make an indicator. The solution produced is too pale to show a colour change. How could the method to make the indicator be improved?
Which of the following describe what a mortar and pestle are used for?
Match the following colours of red cabbage indicator to the correct type of the substance.
Which of the following statements explain why red cabbage and litmus are less effective than universal indicator at indicating the pH of a substance?
Different chemical indicators turn different colours at the same pH. Match the colour to the correct indicator if a solution has a pH of 7.
A soluble substance dissolves in a solvent. If the solvent is water, what name is given to a soluble base?
