A.charcoal
B.bone ash
C.phophorous
D.calcium carbonate
Related Mcqs:
- The chemical used in generating acetylene is
- Which of the following is used on moulds for magnesium castings to prevent metal mould reactions?
- During the passage of molten metal through the coke, the carbon percentage of the molten metal increases. The absorption of carbon depends on
- Limestone is predominantly
- Dolomite:
- Which of the following minerals is maximum in the bone:
- A minor portion of the phosphorus absorption capacity of soils originates from:
- Diatom frustule/ shell is made of_____________??
- Alloy containing 70% nickel and 30% copper is known as
- The property of sand to withstand the high temperature of the molten metal without fusing or breakdown is known as
