Copper Sulfate won't give green smoke, you can better use "Methylene blue" for blue smoke.
all cobalt (+ 2) salts are red but with sulphate cobalt shows pinkish red colour.....
this makes sodium sulphate and CO2
A precipitate is formed which has a light blue colour. After shaking, the precipitate re-dissolves forming a dark blue solution.
aluminum sulphate is colourless
pink
Basic colour of C.J. is purple blue
The color of blue litmus in ammonia will remain to be blue . However the color of red litmus will change into blue. This is because of the basic nature of ammonia.
No colour
Copper sulphate's colour is blue.
Universal indicators typically turn blue or green in the presence of ammonia. This color change indicates a basic or alkaline solution.
Blue
When dipped in ammonia, pH paper will turn blue or blue-green. This color change indicates that the solution is basic or alkaline due to the presence of ammonia.