Third step of metallurgy is
Which of the following is used as a chemical feedstock for making drugs, plastics, and other chemicals?
Number of carbon atoms per molecule in Petrol is
Number of carbon atoms per molecule in diesel is
What are the raw materials used in the Solvay process?
The boiling point of bitumen is
Ore of zinc is called
The boiling point of petrol is
Ore of tin is called
The second step of metallurgy is
The process of converting minerals into oxides is called
A solid deposit containing a sufficiently high percentage of a mineral to make extraction of metal economically feasible is called
The third step of the Solvay process is
Which of the following is used as a lubricant for machines and engines?
Ore of lead is called
Naturally occurring metallic compounds are called
The last step of metallurgy is
Number of carbon atoms per molecule in kerosene is
Process in which sodium carbonate is manufactured is called
Raw materials for production of urea are
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