Chemical Process Nylon 6-6 is manufactured from Caprolactum Dimethyl terephthalate and ethylene glycol Hexamethylene diamine and adipic acid Hexamethylene diamine and maleic anhydride Caprolactum Dimethyl terephthalate and ethylene glycol Hexamethylene diamine and adipic acid Hexamethylene diamine and maleic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Most widely and commonly used coagulant for the removal of suspended impurities in water is Bleaching powder Slaked lime Copper sulphate Alum Bleaching powder Slaked lime Copper sulphate Alum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of sodium tripolyphosphate (an additive) in synthetic detergent Does not allow redeposition of dirt on the cleaned surface Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) Inhibits its corrosive effects None of these Does not allow redeposition of dirt on the cleaned surface Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) Inhibits its corrosive effects None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A mineral is termed as 'ore', if The metal present in it is costly All of these A metal can be economically extracted from it It contains ≥ 40% metal The metal present in it is costly All of these A metal can be economically extracted from it It contains ≥ 40% metal ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 800 8500 4000 1600 800 8500 4000 1600 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not an abrasive material ? Pumice Carborundum Corundum Bakelite Pumice Carborundum Corundum Bakelite ANSWER DOWNLOAD EXAMIANS APP
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