CH-677
Tests for anions
Chemistry · Secondary 3 · Medium · Tests for anions
A solution contains only sodium ions and sulfate ions. Which reagent should be added to confirm the presence of sulfate ions?
A dilute hydrochloric acid only
B barium nitrate solution only
C dilute hydrochloric acid followed by barium nitrate solution
D sodium hydroxide followed by aluminium foil
A dilute hydrochloric acid only
B barium nitrate solution only
C dilute hydrochloric acid followed by barium nitrate solution
D sodium hydroxide followed by aluminium foil
- dilute hydrochloric acid only
- barium nitrate solution only
- dilute hydrochloric acid followed by barium nitrate solution
- sodium hydroxide followed by aluminium foil
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