Carborundum consists mainly of_________________?
Correct answer: B. Silicon carbide
- A. Bauxite
- B. Silicon carbide
- C. Boron carbide
- D. Calcium carbide
Explanation
Carborundum is the commercial name for silicon carbide, SiC, a very hard abrasive material. It is not a carbide of boron, calcium, or aluminium ore.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Carboxymethyl cellulose (CMC) is added in detergents to_________________?
Styrene (a monomer for the production of polystyrene) is commercially produced by ____________________?
Reaction of calcium carbide with water produces a gas, which is used_________________?
Soap cannot be used with hard water, because _________________?
The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about ________________ cm2/gm?
Phenolic antiseptics are added in the __________________ soap?