YOUR MeitY OLabs VIDEOS WITH BASIC CONCEPTS ON RELATED EXPERIMENTS HELPED A LOT IN SCHOOL I USUALLY SHOW IT TO MY STUDENTS & IT REALLY HELPED THEM TO PERFORMED IN A SCIENTIFIC MANNER .

water evaporations is a physical change..

water evaporation is a physical change, you should always use the test tube holder at 2/3 of the tube's lenght, and the change of colour is only because of presence of water around the copper sulfate, no new substance was made

Thank you for this video this really helped in my exam :)

water turning into vapor is a physical property...

how can a chemical change be reversible ?

thanks.this really helped a lot

what is the formula and molecular weight of anhydrous copper sulfate?

this.. really helped me. Thanks

this wil really help met with my life... turning something white and blue on a fire... NOT