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 15-30 250-300 90-100 15-30 250-300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Silicone is a/an None of these Inorganic polymer Monomer Thermoplastic None of these Inorganic polymer Monomer Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Calcareous & argillaceous materials are used in the manufacture of Lead Carbon disulphide None of these Cement Lead Carbon disulphide None of these Cement ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a food additive? Citric acid Invertage Ammonium chloride Benzoyl peroxide Citric acid Invertage Ammonium chloride Benzoyl peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main product of high temperature carbonisation of coal is Ammonia Phenol Tar Coke Ammonia Phenol Tar Coke ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Temporary hardness of water can be removed by Addition of lime Filtration (through gravity sand filter) Boiling Addition of alum (a coagulant) Addition of lime Filtration (through gravity sand filter) Boiling Addition of alum (a coagulant) ANSWER DOWNLOAD EXAMIANS APP
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