| Scenario | Type of Reaction | Key Observations |
|---|---|---|
| KCl + AgNO₃ | Double Displacement (Precipitation) | White precipitate (AgCl) forms |
| Heating FeSO₄ | Thermal Decomposition | Reddish-brown Fe₂O₃, pungent SO₂ gas |
Question
Identify the type of chemical reaction taking place (i) on mixing a solution of potassium chloride with silver nitrate, and insoluble white substance is formed. (ii) on heating green coloured ferrous sulphate crystals, reddish-brown solid is left and smell of a gas having odour of burning sulphur is observed.
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