ABSTRACT
Oxygen relights a glowing splint Hydrogen pops with a lighted splint Carbon dioxide turns limewater cloudy (‘milky’) Chlorine bleaches moist red litmus paper Ammonia turns moist red litmus paper blue Alkenes decolorise bromine water Water changes anhydrous copper sulphate from white to blue Water changes cobalt chloride from blue to pink Chlorides (aq) give a white precipitate with silver nitrate solution Sulphates (aq) give a white precipitate with barium chloride solution
