C8
What is formulations?
They are a useful mixtures with a precises purpose that are made from the following
Pigment
gives paint colour
Solvent
used to dissolve the other components
Binder
Forms that hold the pigment in place
Additives
Added to further change the physical and chemical propeties of paints
phases during chromatography
Mobile phase
Stationary phase
where molecules cant move
Where molecules can move
Rf equation
Distance travelled by substance (B) / distance travelled by solvent (A)
With the use of chlorine the litmus paper will turn the colour red.
You know you will have gas in a test tube because you will here a pop come out from the tube