1.

Give onedetecttestthethat can be usedpresence of hydroxideion.​

Answer»

Answer:

When calcium hydroxide is heated withammonium CHLORIDE crystal. A COLOURLESS pungent SMELLING basic gas i.e, ammonia is obtained. ... When MOIST starch iodide paper is introduced into chlorine gas. Moist starch iodide paper turns BLUE black.



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