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?
oxygen
hydrogen
carbon dioxide
nitrogen
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What is the result of bubbling carbon dioxide gas through limewater?
the limewater turns blue
the limewater turns cloudy
the limewater remains clear
the limewater turns red
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Which of the following ions forms a white precipitate with barium ions?
sulfate
bromide
iodide
chloride
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Which of the following silver halides is yellow in colour?
silver iodide
silver chloride
silver bromide
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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 halide ions, then carbonate ions, then sulfate ions
test for carbonate ions, then halide ions, then sulfate ions
test for carbonate ions, then sulfate ions, then halide ions
test for sulfate ions, then halide ions, then carbonate ions
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Why is it important to carry out the carbonate test before the sulfate test?
to save time
to contaminate the test
to prevent the formation of unwanted precipitates
to save chemicals
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Which type of acid should be used in the carbonate test to avoid interference with the sulfate and halide tests?
nitric acid
sulfuric acid
hydrochloric 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 iodide is soluble in concentrated ammonia
silver bromide is soluble in dilute ammonia
silver bromide is soluble in concentrated ammonia
silver chloride is soluble in dilute 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?
Ba(NO3)2
MgCl2
AgCl
CaCl2
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