blue
the
selution
When Hydrogen sulphide gas
solution
of copper wphate
fades
and
a
So passed through a
the colour of
black precipitate is
obtained.
a) Name
the
type
61
why dou
away?
the
Reaction mentioned above.
colour of the solution fade
0
Write
the
chemical mame
of the block breabitate
formed.
​