Acids, Bases and Indicators Crossword Puzzle
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QUESTIONS LIST:
- vinegar : a sour household liquid that is an example of an acid.
- litmus : a natural indicator used to test whether a substance is an acid or a base
- lichen : an organism from which litmus indicator is made of
- lemon : a citrus fruit that contains a weak acid.
- neutral : a substance that is neither an acid nor a base.
- acid : a substance that turns blue litmus paper red
- base : a substance that turns red litmus paper blue.
- indicator : a substance used to show whether something is an acid or a base.
- reaction : a scientific investigation used to test ideas
- water : a common neutral substance.
