It's white or either black depends on the product
Violet / Purple
reddish brown
Probably purple.
purple.
GREY
The colour turns brick Red .
There is a dark blue colour when iodine is added to starch instead of a yellow sort of colour when iodine is added to a substance without starch.
it is a yellowish/orange colour but when iodine is present, than it will turn an dark-blue/black colour
The colour of the iodine will turn from yellowish brown to dark blue
it is violet and lustrous
Iodine solid is typically a dark purple or bluish-black color.
The colour turns brick Red .
There is a dark blue colour when iodine is added to starch instead of a yellow sort of colour when iodine is added to a substance without starch.
Iodine
Magnesium does not produce a color in the flame test because it emits ultraviolet light that is not visible to the human eye. The energy emitted by magnesium when heated is at a wavelength that is outside the visible spectrum, so it does not result in a characteristic color.
You get and orange - yellow colour.
I suppose that the flame test was not applied to californium.
The blue flame.
I stands for iodine. It is placed in group-17.
Iodine
it is a yellowish/orange colour but when iodine is present, than it will turn an dark-blue/black colour
yellow