Zinc deposits an incrustation about the assay, which is yellow while hot, but fades to white when cold.
The carbonate and sulphate of strontia melt with soda upon platinum foil to a bead, which is milk-white when cold, but fused upon charcoal they are absorbed.
Borax dissolves it in the oxidation flame to a clear colorless bead, which appears, when overcharged and heated intermittingly, enamel-white when cold.
The =stem= is white when young, with a tinge of yellow ochre, and pale flesh color below.
The flesh, which is white when young, changes to greenish yellow and finally brownish, with usually an olivaceous tinge, as the spores ripen.
The gills also become deeper in color in drying, though the edge remains white if white when fresh.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "white when" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.