Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is Ultraviolet light None of these Oleum Dilute H₂SO₄ Ultraviolet light None of these Oleum Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Temporary hardness of water can be removed by Boiling Addition of alum (a coagulant) Addition of lime Filtration (through gravity sand filter) Boiling Addition of alum (a coagulant) Addition of lime Filtration (through gravity sand filter) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following processes does not produce Cl₂ as a co-product during the manufacture of caustic soda? Mercury electrolytic cell process None of these Diaphragm electrolytic cell process Lime-soda process Mercury electrolytic cell process None of these Diaphragm electrolytic cell process Lime-soda process ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sugar content in sugarcane on cane basis is about __________ percent by weight. 15 to 20 5 to 10 1 to 5 20 to 30 15 to 20 5 to 10 1 to 5 20 to 30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrolysis of sugar is called None of these Hydration Inversion Esterification None of these Hydration Inversion Esterification ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not required in the manufacture of soda ash by Solvay process? Ammonia Nitric acid None of these Limestone Ammonia Nitric acid None of these Limestone ANSWER DOWNLOAD EXAMIANS APP
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