Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
What gas is produced when a carbonate reacts with an acid?
carbon dioxide
nitrogen
oxygen
hydrogen
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What is the result of bubbling carbon dioxide gas through limewater?
the limewater turns cloudy
the limewater turns red
the limewater turns blue
the limewater remains clear
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Which of the following ions forms a white precipitate with barium ions?
chloride
bromide
sulfate
iodide
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Which of the following silver halides is yellow in colour?
silver chloride
silver bromide
silver iodide
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What is the correct order for carrying out tests to identify the presence of carbonate, sulfate, and halide ions in a solution?
test for carbonate ions, then halide ions, then sulfate ions
test for sulfate ions, then halide ions, then carbonate ions
test for halide ions, then carbonate ions, then sulfate ions
test for carbonate ions, then sulfate ions, then halide ions
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Why is it important to carry out the carbonate test before the sulfate test?
to contaminate the test
to save time
to save chemicals
to prevent the formation of unwanted precipitates
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Which type of acid should be used in the carbonate test to avoid interference with the sulfate and halide tests?
hydrochloric acid
sulfuric acid
nitric acid
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Which of the following is NOT a solubility characteristic of silver halide precipitates in aqueous ammonia?
(Select all that apply).
silver bromide is soluble in dilute ammonia
silver bromide is soluble in concentrated ammonia
silver chloride is soluble in dilute ammonia
silver iodide is soluble in concentrated ammonia
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The positive test for sulfate ions is the formation of a precipitate of sulfate.
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What substance is used to test for the presence of sulfate ions?
CaCl2
AgCl
MgCl2
Ba(NO3)2
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