Green sediment in the tube, at the bottom of the tube is a blue precipitate of copper silicate.
Schlüsselwörter
compound,
green,
test tube,
chemistry,
precipitate,
layer,
precipitation,
bottom,
reaction,
chemical,
crystal,
copper,
silicate,
many-coloured,
macro,
experiment,
blue,
bright,
colloid,
colours,
colourful,
component,
dye,
element,
fluid,
glasses,
isolated,
liquid,
mineral,
process,
research,
science,
scientific,
sediment,
sodium,
solution,
structure,
substance,
texture,
transparent,
water