CH-1637
Tests for anions
Chemistry · Secondary 4 · Easy · Tests for anions
A student adds dilute hydrochloric acid to a solid and observes effervescence. The gas produced turns limewater milky. Which anion is present in the solid?
- chloride, Cl⁻
- carbonate, CO₃²⁻
- nitrate, NO₃⁻
- sulfate, SO₄²⁻
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