When dilute nitric acid and lead nitrate solution is added to salt containing iodide ion, a yellow precipitate formed is due to

Any substance, natural or synthetic that changes the way in which our body works

The solubility of inorganic compound can be studied using

The pale green choking smell gas  which bleaches indicator paper white is

An effervescence produced by adding dilute hydrochloric acid to solid. This is due to the presence  of anion (negative ion)

Drugs used in relieve pain

The colour of flame for Copper ion is

The presence of water can be detected using