Acids

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Across
  1. 4. a chemical that has a characteristic sour taste
  2. 6. A change that occurs as a result of mixing two or more materials together. The reaction forms new materials with different properties from the original
  3. 7. An essential acid in human nutrition. It is also called ascorbic acid
  4. 8. The amount of material dissolved in a measure of liquid; the more material dissolved in the liquid, the more concentrated the solution
  5. 9. soda an indicator used to test for the presence of acid
Down
  1. 1. an indicator used to test for the presence of Vitamin C
  2. 2. something used to detect the presence of a substance within a mixture of substances
  3. 3. a sign which shows that something exists
  4. 5. a colorless, odorless gas, present in the atmosphere. Plants and animals and some chemical reactions give it off