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yellow or brown
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∙ 15y ago
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Where does steel come?
Smelting coal, iron ore, and limestone.
What three raw materials are used to make pig iron?
iron core , coke and limestone are needed to make pig iron
The magma of shield volcanoes is rich in?
They are rich in magnesium and iron.
Is the core of the earth made of limestone?
No. Earth's core is made of iron and nickel.
Can light be seen through dolerite?
No, it light cannot travel through Dolerite (A.K.A Diabase). It is igneous, grey in colour and rich in magnesium and iron, and therefore opaque. Hope this helps. Pingk
What colourcan iron rich limestone be?
yellow
What compound causes limestone rock to be yellow in colour?
Iron oxide can cause yellow to rust colored staining in limestone.
What are the three substances fed into the blast furnace?
Carbon rich coke limestone and iron
Why can limestone have different textures?
The colours of limestones vary depending on their chemical composition. An iron content to limestone can give a tinge of iron oxide (rust) colour. The exact chemical composition will depend on the origin and geological process resulting that stone.
Pig iron is produced by heating the coke iron and limestone in a what?
Pig iron is produced when heating * Iron ORE (not iron as the question says!) * Coke * limestone in a Blast Furnace.
What is the mineral colour of limestone?
White.
What is the difference between fossil rich limestone and chemical limestone?
fossil rich limestone is made by the earth and is enhance with fossils although the chemical is man made, the two are basically the same.
What is cement color?
The colour of cement is Grey.The grey colour is due to the presence of iron oxide.The coloured cement consists of portland cement with 5-10% pigment.White cement - pure limestone + china claychromium oxide - greencobalt - blue
Would rust damage limestone?
Rust is characteristic for iron and alloys (metals), not for a salt as limestone.
What is fossil rich limestone?
Fossil rich limestone is limestone with various sea creature fossils in it such as shells. It is organic and fine grained. It is sedimentary... Yea that's it :P
What Colour is the dust in central Australia?
Soils in sub tropical regions are rich in laterite, and contain much aluminum and iron. The oxides or iron give the soils, dust and sand a red cast.
Why is limestone added to the blast furnace during the extraction of iron?
Iron ore contains the impurities sand and clay, which are silicon oxides. Limestone is added to remove these impurities.
