Chemistry [1 Mark Question Answer]

Name the cation that gives a blue precipitate with sodium hydroxide (NaOH) which does not dissolve in excess NaOH.

Name the cation that produces a violet flame in a flame test.

Name the cation that forms a red precipitate with sodium hydroxide (NaOH) which is soluble in excess NaOH.

Name the cation that gives a white precipitate with dilute hydrochloric acid but is soluble in excess ammonia.

Name the cation that forms a deep blue complex with ammonia (NH3).

Name the gas that has a smell of rotten eggs.

Name the gas that burns with a pop sound.

State the colour change when ammonium dichromate is heated.

Name the cation that gives brown ring at the junction of two layers.

Name the gas that turns nessler's reagent reddish brown.

Name the gas that gives dense white fumes with ammonia.

Name the gas that turns limewater milky.