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Quiz on acids and alkalis
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Using the quiz ...
Click through the quiz to see the questions and
answers. Remember it is MUCH better to try to
think of the answer, rather than just clicking to read
it.
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1. What is the pH of a strong acid ?
pH 1 Answer
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2. What is the correct name for the reaction between an acid and an alkali?
neutralisation Answer
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3. How can you tell from its name that sodium hydroxide is an alkali ?
It includes the word "hydroxide"
Answer
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4 Name three common strong acids
Hydrochloric acidSulfuric acidNitric acid
Answer
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5. Lemon juice contains citric acid. Suggest a pH value for citric acid
pH4 ( it is a weak acid) Answer
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6. What gas is released when an acid reacts with a metal ?
hydrogen Answer
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7. How can you test for the gas released when an acid reacts with a metal ?
The hydrogen will "pop" with a
flame
Answer
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8. When hydrochloric acid reacts with sodium hydroxide, what are the products ?
Sodium chloride and
waterAnswer
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9. When sulfuric acid reacts with potassium hydroxide,what are the products ?
Potassium sulfate and
waterAnswer
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10. What gas is released when hydrochloric acid reacts with calcium carbonate ?
Carbon dioxideAnswer
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11. What reactants ( starting chemicals) would produce sodium nitrate ?
Sodium hydroxideand
nitric acidAnswer
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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
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That was the last question.
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