1. A white precipitate of lead chloride appears which dissolves on heating.
2. A white insoluble precipitate of Barium sulphate is obtained.
3. White crystals of sugar turn to a black spongy mass called sugar charcoal.
4. A brisk effervescence with the release of colourless, odourless, acidic gas that extinguish glowing splint i.e., carbon dioxide gas is evolved.
5. A colourless gas with smell of burning sulphur i.e., Sulphur dioxide is released. A yellow crystal settles at the bottom i.e., sulphur.