1. White crystalline substance which sublimes on heating. 2. The gas which turns lime water milky but has no effect on potassium dichromate paper. 3. The metal that cannot displace hydrogen from dilute hydrochloric acid.
1. White crystalline substance which sublimes on heating.- ammonium chloride 2. The gas which turns lime water milky but has no effect on potassium dichromate paper.- carbondioxide 3. The metal that cannot displace hydrogen from dilute hydrochloric acid.- mercury