1. Quiz on acids and alkalis

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3. 1. What is the pH of a strong acid ? pH 1 Answer Next question

4. 2. What is the correct name for the reaction between an acid and an alkali? neutralisation Answer Next question

5. 3. How can you tell from its name that sodium hydroxide is an alkali ? It includes the word "hydroxide " Answer Next question

6. 4 Name three common strong acids Hydrochloric acid Sulfuric acid Nitric acid Answer Next question

7. 5. Lemon juice contains citric acid. Suggest a pH value for citric acid pH4 ( it is a weak acid) Answer Next question

8. 6. What gas is released when an acid reacts with a metal ? hydrogen Answer Next question

9. 7. How can you test for the gas released when an acid reacts with a metal ? The hydrogen will "pop" with a flame Answer Next question

10. 8. When hydrochloric acid reacts with sodium hydroxide, what are the products ? Sodium chloride and water Answer Next question

11. 9. When sulfuric acid reacts with potassium hydroxide,what are the products ? Potassium sulfate and water Answer Next question

12. 10. What gas is released when hydrochloric acid reacts with calcium carbonate ? Carbon dioxide Answer Next question

13. 11. What reactants ( starting chemicals) would produce sodium nitrate ? Sodium hydroxide and nitric acid Answer Next question

14. 12. Soap is a very weak alkali. Suggest a pH value for soap pH8 (pH7 is neutral so a very weak alkali would have a pH just greater than this) Answer Next slide

15. That was the last question. I hope you got all the answers correct ! Try again Exit quiz