Iron oxide can cause yellow to rust colored staining in limestone.
because it is yellow in colour
yellow to yellow brown yellow to yellow brown
yellow
It is yellow in colour. Has good solubility in water. Its colour changes from yellow to orange if put into an acid
yellowIron(II) chloride, also known as ferrous chloride, is the chemical compound of formula FeCl2.FeCl2 crystallizes from water as the greenish tetrahydrate, aqueous solutions of FeCl2 are yellow.
yellow or brown
silicone is a very complicated compound made from crude oil, could be a chemical reaction but that's unlikely, colour disfiguration could come from not being cleaned enough
No. Carotene is the compound in grasses that gives both the yellow colour in the milk, and the yellowish colour in the fat of meat from grass-fed animals.
Well it all depends on the colour that you are seeing because if it is a different colour EG. pink and yellow then you are most likely to see the yellow because it is brighter then the pink.
Bright yellow :: This is the sodium ions. Any sodium compound will give a flame test colour of yellow/
Diamond is an allotrope of carbon which may contain traces of other minerals, such as nitrogen or boron, which give the diamond a colour: yellow or blue, respectively. Diamond is not a compound of anything.
Conjugation within the organic compound causes the color we observe in 2,5-dibenzalcyclopentanone. = =
yellow
yellow and green
Limestone can come in grey, yellow, white and a bunch of other colors too.
if something heavy was dropped on it, and some nail polishes [red & black.}
No colour because Yellow is a Primary Colour