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3 cards from this section. Quick, good the night before a test.
What color does litmus paper turn in acidic solutions?
Think about the acronym 'Red for Acid'.
Which natural indicator turns reddish-brown in a basic solution?
Remember the spice used in cooking!
What color does phenolphthalein change to in a basic solution?
Consider what happens in the presence of a base.
True or False: Turmeric turns blue in acidic solutions.
Remember the color changes with acid and base.
Design an experiment to compare the effectiveness of natural and synthetic indicators.
Make sure to set up controlled variables.
How would you explain the importance of pH indicators in environmental science?
Consider the links between pH and aquatic life.
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