Question

A Give your observation, when:
i. A strong alkali is added to pale blue precipiatate.
ii. Ammonia reacts with excess of greenish yellow gas.
[1]
III. Hydrated coloured salt of copper sprinkled with concentrated sulphuric acid.
(1)
iv. A saturated organic gas burns in exces air.
[1]
v. Ammonia is passed through water with a drop of phenolphthalein.
[1]​

Answer 1

in a few elements the final I have been a member in my own family for