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Questions and Answers
What color precipitate is formed when barium chloride is added to a solution containing sulfate ions?
What color precipitate is formed when barium chloride is added to a solution containing sulfate ions?
- Blue
- Green
- White (correct)
- Yellow
When dilute hydrochloric acid is added to a sample to remove any carbonate ions, what chemical test can be carried out next to identify halides?
When dilute hydrochloric acid is added to a sample to remove any carbonate ions, what chemical test can be carried out next to identify halides?
- Add silver nitrate (correct)
- Add sodium hydroxide
- Add silver chloride
- Add potassium nitrate
Which metal ion produces a blue hydroxide precipitate when reacted with sodium hydroxide solution?
Which metal ion produces a blue hydroxide precipitate when reacted with sodium hydroxide solution?
- Aluminium, Al3+
- Copper, Cu2+ (correct)
- Iron(III), Fe3+
- Calcium, Ca2+
What gas is produced when dilute hydrochloric acid is added to a sample to test for carbonate ions?
What gas is produced when dilute hydrochloric acid is added to a sample to test for carbonate ions?
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Which of the following chemical tests will lead to a yellow precipitate if iodide ions are present in the sample?
Which of the following chemical tests will lead to a yellow precipitate if iodide ions are present in the sample?
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What color change is observed in limewater when carbon dioxide gas is bubbled through it?
What color change is observed in limewater when carbon dioxide gas is bubbled through it?
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