Acids, Bases, and Salts - SS1 Chemistry Past Questions and Answers - page 1
Acids taste:
Sweet
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Salty
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Sour
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Bitter
Which of the following is not a property of acids?
React with metals to produce hydrogen gas
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Turn litmus paper blue
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Conduct electricity in solution
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React with bases to form salts and water
Which of the following is a property of bases?
React with acids to form salts and water
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Turn red litmus paper blue
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Release hydrogen gas when mixed with water
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Have a sour taste
Bases feel:
Oily
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Dry
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Sticky
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None of the above
Acids have a pH value:
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Less than 7
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Exactly 7
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Greater than 7
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Can be any value
Which of the following is a property of both acids and bases?
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React with metals
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React with water
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Conduct electricity
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All of the above
Which of the following is a property specific to bases?
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React with carbonates to produce carbon dioxide gas
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Turn phenolphthalein pink
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React with oxygen to produce water
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React with non-metals to produce salts
Acids are proton:
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Acceptors
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Donors
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Neutralizers
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Inhibitors
Which of the following is a property of strong acids?
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Partially ionise in water
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Produce a low concentration of hydrogen ions
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Conduct electricity weakly
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Completely ionise in water
Which of the following is a property of weak bases?
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Completely dissociate in water
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React vigorously with acids
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Produce a high concentration of hydroxide ions
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Partially ionise in water
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