CH-678
Tests for anions
Chemistry · Secondary 3 · Medium · Tests for anions
Sodium sulfate and sodium carbonate are both white solids. Dilute hydrochloric acid is added separately to each solid.
What observation allows you to distinguish between them?
What observation allows you to distinguish between them?
- Only sodium carbonate effervesces, giving off a gas that turns limewater milky.
- Only sodium carbonate solution gives a white precipitate.
- Both solutions give a brown precipitate.
- Neither solution shows any visible change.
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