Question

Take 1g Copper powder in a China dish and heat then
(a) what will be the colour of the copper powder
(b) write the balanced chemical reaction for the above observation

Answer 1

(a) The colour of the copper powder will be 'black'.

(b) 2cu + O2 --------›(heat) 2cuo.

Answer 2

Answer:

The color of Silver Chloride turns into grey color.

When it come in contact with sunlight it goes in photolytic decomposition.

The reaction reaction as follow :

2AgCl  = ( Sunlight ) ⇒   2 Ag + Cl₂