EXPERIMENT 2, CHEMICAL REACTIONS

PART 1: copper and vinegar

to this experiment we will need:
something of copper and vinegar.

process: put in a glass vinegar and something of copper, one week later, it turn Green

 

 

PART 2: INVISIBLE INK

Materials: a lemon, a glass, a bruh and a paper.

process:
 Squeezing lemon in the glass

 dips his brush with lemon juice and write in the paper

then, pass the paper for a candle

and this is the result

 

PART 3: Effects of chlorine

 

Materials: chlorine and a wool pice

process:
put chlorine in the glass

and put in the same glass the wool pice

the  result are:

the wool decolorized