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Frage 1
Frage
What is meant by Amphoteric?
Antworten
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A molecule or ion that can react as an acid and a base.
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Able to breathe both in water and on land.
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A substance with pH < 7
Frage 2
Frage
Acids react with metals to form salts
Antworten
- True
- False
Frage 3
Frage
What kind of Indicator turns yellow in alkali?
Antworten
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Litmus
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Phenolpthalein
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Methyl orange
Frage 4
Frage
pH value for a strong acid?
Antworten
-
1-2
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12-14
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7
Frage 5
Frage
Which of these is NOT an example of a base
Antworten
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Metal oxides
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Hydroxides
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Nitrates
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Ammonia
Frage 6
Frage
Bases neutralise acids, forming a ______ and ______
Antworten
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Salt, Water
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Salt, Hydrogen
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Salt, Oxygen
Frage 7
Frage
Reacting a base with an ammonium compound (an example of a base reaction) gives ammonia as a product as well as salt and water
Antworten
- True
- False
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