Chemical Engineering — Test 33
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Question 1
Inversion of sucrose produces_____________________?
Question 2
Phenolic antiseptics are added in the __________________ soap?
Question 3
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?
Question 4
Soap cannot be used with hard water, because _________________?
Question 5
Carborundum consists mainly of_________________?
Question 6
Carboxymethyl cellulose (CMC) is added in detergents to_________________?
Question 7
Styrene (a monomer for the production of polystyrene) is commercially produced by ____________________?
Question 8
Reaction of calcium carbide with water produces a gas, which is used_________________?
Question 9
In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed ?
Question 10
Acrylonitrile is mainly used in the _____________ industry?