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Solutions, Acids and Alkalis

Solutions, Acids and Alkalis. 1. 2. 3. 4. 5. 6. 7. 9. 8. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 1. answer. What is a solute?. A substance which is dissolved to form a solution. 2. answer.

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Solutions, Acids and Alkalis

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  1. Solutions, Acids and Alkalis 1 2 3 4 5 6 7 9 8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Calderglen Science Dept

  2. 1 answer What is a solute? A substance which is dissolved to form a solution Calderglen Science Dept

  3. 2 answer What do you call a substance which can be used to dissolve something? A Solvent Calderglen Science Dept

  4. 3 answer What term describes something which can be dissolved? Soluble Calderglen Science Dept

  5. 4 answer What do you get when you mix a solute and a solvent? A solution Calderglen Science Dept

  6. answer 5 What is a saturated solution? A solution which cannot dissolve any more solute. Calderglen Science Dept

  7. 6 answer What could you do to dissolve MORE solute in a saturated solution? Heat it Calderglen Science Dept

  8. answer 7 How would you use universal indicator or pH paper to find the pH of a substance ? Add indicator/pH paper to the substance and the compare the colour to the pH chart Calderglen Science Dept

  9. 8 answer What is the range of pH valuesfor anacid? Less than 7 Calderglen Science Dept

  10. 9 answer Universal indicator was added to asolution and it turned RED. What type of solutionis it ? acidic Calderglen Science Dept

  11. 10 answer What is the pH range for anALKALI? Greater than 7 Calderglen Science Dept

  12. 11 answer Universal indicator was added to asolution and it turnedblue. What type of solution is it? Alkaline Calderglen Science Dept

  13. 12 answer What is the pH number for a neutral substance? 7 Calderglen Science Dept

  14. 13 answer What is neutralisation? The reaction of an acid and an alkali to form a neutral substance Calderglen Science Dept

  15. 14 answer Universal indicator was added to asolution and it turnedgreen. What type of solution is it? neutral Calderglen Science Dept

  16. 15 answer Give an example of a neutralisation reaction Indigestion powder (the powder neutralises the excess acid in the stomach) Calderglen Science Dept

  17. 16 answer What would you use to treat a wasp sting? Vinegar (the acidic vinegar neutralises the alkaline wasp sting) Calderglen Science Dept

  18. 17 answer Give an example of a common acid vinegar, fizzy drinks Calderglen Science Dept

  19. 18 answer Give an example of a common alkali. Toothpaste, bicarbonate of soda Calderglen Science Dept

  20. 19 answer What happens to thepHof an acid when diluted with water? Itincreases to 7 Calderglen Science Dept

  21. 20 answer What happens to the pH of an ALKALI when diluted with water ? Itdecreasesto7 Calderglen Science Dept

  22. 21 answer What happens to the acidity of an acid when dilutedwith water ? The acidity decreases (less acidic) Calderglen Science Dept

  23. 22 answer What happens to thealkalinityof an alkali when diluted with water? It decreases -becomes less alkaline Calderglen Science Dept

  24. 23 answer What would you use to treat a bee sting? Baking powder (the alkaline baking powder neutralises the acidic bee sting) Calderglen Science Dept

  25. 24 answer Complete the word equation… Acid Alkali Salt +  + Water Calderglen Science Dept

  26. 25 answer Complete the word equation… Hydrochloric Acid Sodium hydroxide Sodium chloride Water  + + Calderglen Science Dept

  27. 26 answer Complete the word equation… Hydrochloric Acid Potassium hydroxide Potassium chloride Water  + + Calderglen Science Dept

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