Chemical Process Raw materials used for producing __________ cement does not contain iron oxide. Pozzolan Slag White Waterproof Pozzolan Slag White Waterproof ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Enzymes are organic catalysts used in the __________ reactions. Biochemical Chemical Electrochemical Photochemical Biochemical Chemical Electrochemical Photochemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ iron is the purest form of iron. Pig Wrought Cast High silicon Pig Wrought Cast High silicon ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is Dilute H₂SO₄ Ultraviolet light None of these Oleum Dilute H₂SO₄ Ultraviolet light None of these Oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as 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) It decomposes on further increasing the temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst All of these Gives higher conversion efficiency Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant Has a longer life and is not poisoned by arsenic All of these Gives higher conversion efficiency Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant Has a longer life and is not poisoned by arsenic ANSWER DOWNLOAD EXAMIANS APP
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