Chemical Process Sudden temperature fluctuation does not affect pyrex glass, because of its High melting point Low co-efficient of expansion High co-efficient of expansion Both B and C High melting point Low co-efficient of expansion High co-efficient of expansion Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol is mainly used To produce phenol formaldehyde To produce benzene To produce polyester resin As a plasticiser for unsaturated polyster To produce phenol formaldehyde To produce benzene To produce polyester resin As a plasticiser for unsaturated polyster ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is the major constituent of the Portland cement. Calcium sulphate Tricalcium silicate Calcium carbonate Calcium oxide Calcium sulphate Tricalcium silicate Calcium carbonate Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process? CaO NaCl NH? Coke CaO NaCl NH? Coke ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Triple superphosphate is manufactured by reacting Phosphate rock with nitric acid Phosphate rock with sulphuric acid Ammonium phosphate with phosphoric acid Phosphate rock with phosphoric acid Phosphate rock with nitric acid Phosphate rock with sulphuric acid Ammonium phosphate with phosphoric acid Phosphate rock with phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Black liquor is converted into white liquor by Evaporation and burning the concentrate followed by causticisation of products Multi-effect evaporation only Extractive distillation Selective liquid extraction Evaporation and burning the concentrate followed by causticisation of products Multi-effect evaporation only Extractive distillation Selective liquid extraction ANSWER DOWNLOAD EXAMIANS APP
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