Soil color is normally influenced by the amount of proteins present in the soil. Red soil indicates as does yellow the presence of iron oxides.
The soil is red by porche
the soil is orangey-red some soil is dark red or black
Laterite soil is red in colour due to the presence of oxides of iron.
Red soil owes its color to oxides of iron, particularly hematite. These iron oxides give the soil a reddish tone due to the presence of iron in its composition.
Red
Red soil is typically reddish-brown in color due to its high iron oxide content. This iron oxide gives the soil its characteristic reddish hue.
The colour of laterite soil depends upon where it is. In temperate climates it will be yellow, but in tropical climes it will be red. This is because the iron oxide, which is mainly responsible for the colour, oxidizes to a different form in higher temperatures.
red
No the iron in the soil gives it the reddish colour.
NaCl will burn with a brick-red colour in a non-luminous Bunsen flame.
Purple
G