16225404
Description
Quiz by Jeffrey Piggott, updated more than 1 year ago
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Created by Jeffrey Piggott
over 5 years ago
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Question 1
Question
Which statements are properties of an acid?
1 reacts with ammonium sulfate to form ammonia
2 turns red litmus blue
Image:
Q1 (binary/octet-stream)
Answer
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A
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B
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C
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D
Question 2
Question
Which property is NOT characteristic of a base?
Answer
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A It reacts with a carbonate to form carbon dioxide.
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B It reacts with an acid to form a salt.
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C It reacts with an ammonium salt to form ammonia.
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D It turns universal indicator paper blue.
Question 3
Question
A sting from insect X has a pH of 6 and a sting from insect Y has a pH of 8.
The table shows the pH of four substances.
Which substances are used to treat the two stings?
Image:
Q3 (binary/octet-stream)
Answer
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A X = hydrochloric acid; Y = sodium hydroxide
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B X = sodium hydrogen carbonate ; Y = vinegar
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C X = sodium hydroxide ; Y = hydrochloric acid
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D X = vinegar ; Y = sodium hydrogen carbonate
Question 4
Question
The table shows the pH of four aqueous solutions, W, X, Y and Z.
Universal Indicator is added to each solution.
Which row shows the colour of each solution after the indicator is added?
Image:
Q4 (binary/octet-stream)
Answer
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A
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B
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C
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D
Question 5
Question
Which reaction is NOT characteristic of an acid?
Answer
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A It dissolves magnesium oxide.
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B It produces ammonia from ammonium compounds.
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C It produces carbon dioxide from a carbonate.
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D It produces hydrogen from zinc metal.
Question 6
Question
Which equation for the reaction between sodium carbonate and dilute hydrochloric acid is correct?
Answer
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Image:Q5a (binary/octet-stream)
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Image:Q5b (binary/octet-stream)
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Image:Q5c (binary/octet-stream)
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Image:Q5d (binary/octet-stream)
Question 7
Answer
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A
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B
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C
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D
Question 8
Question
The graph shows how the pH of soil in a field changes over time.
At which point was the soil neutral?
Image:
Q8 (binary/octet-stream)
Answer
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A
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B
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C
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D
Question 9
Question
A colourless solution is tested by the following reactions.
Which reaction is not characteristic of an acid?
Answer
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A A piece of magnesium ribbon is added. Bubbles are seen and the magnesium disappears.
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B A pungent smelling gas is produced when ammonium carbonate is added.
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C Copper oxide powder is added and the mixture is warmed. The solution turns blue.
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D The solution turns blue litmus red.
Question 10
Question
Ant stings hurt because of the methanoic acid produced by the ant.
Which substance could, most safely, be used to neutralise the acid?
Image:
Q10 (binary/octet-stream)
Answer
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A
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B
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C
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D
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