Chemical Process Styrene is produced from ethyl benzene by the process of Dehydration Oxidation Dehydrogenation Alkylation Dehydration Oxidation Dehydrogenation Alkylation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the purest form of water out of the following ? Rain water Underground water Well water Lake water Rain water Underground water Well water Lake water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 90-100 250-300 15-30 90-100 250-300 15-30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water is due to the presence of calcium & magnesium Bi-carbonates Carbonate None of these Sulphates & chlorides Bi-carbonates Carbonate None of these Sulphates & chlorides ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Lime Chlorine Sodium bisulphite Sulphuric acid Lime Chlorine Sodium bisulphite Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of oil takes place in a/an __________ reactor. None of these Plug flow Trickle bed Autothermal None of these Plug flow Trickle bed Autothermal ANSWER DOWNLOAD EXAMIANS APP
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