Chemical Process Phthalic anhydride is made by the Dehydrogenation of ethyl benzene Oxidation of naphthalene None of these Oxidation of benzene Dehydrogenation of ethyl benzene Oxidation of naphthalene None of these Oxidation of benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The manufacture of Kraft pulp is done by a/an __________ process. Alkaline None of these Acidic Neutral Alkaline None of these Acidic Neutral ANSWER DOWNLOAD EXAMIANS APP
Chemical Process 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. 800 1600 4000 8500 800 1600 4000 8500 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ paper is used in the manufacture of newsprint paper. Wrapping Board Tissue Groundwood Wrapping Board Tissue Groundwood ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of Methanol Perchloroethylene Parathion Trichloroethylene Methanol Perchloroethylene Parathion Trichloroethylene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as It decomposes on further increasing the temperature None of these It is very corrosive at elevated temperature Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It decomposes on further increasing the temperature None of these It is very corrosive at elevated temperature Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) ANSWER DOWNLOAD EXAMIANS APP
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