Chemical Process The most widely used coagulant for removing suspended impurities from water is Alum Calcium sulphate Chlorine Bleaching powder Alum Calcium sulphate Chlorine Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of glycerene present in the spent lye obtained during soap manufacture is about 0.5 35 5 20 0.5 35 5 20 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid completely saturated with sulphur trioxide is called Dilute sulphuric acid Sulphurous acid Concentrated sulphuric acid Oleum Dilute sulphuric acid Sulphurous acid Concentrated sulphuric acid Oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sudden temperature fluctuation does not affect pyrex glass, because of its High melting point High co-efficient of expansion Low co-efficient of expansion Both B and C High melting point High co-efficient of expansion Low co-efficient of expansion Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cooking liquor in case of sulphite process is None of these Magnesium sulphite and free SO₂ in acid medium Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate None of these Magnesium sulphite and free SO₂ in acid medium Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate 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 4000 1600 8500 800 4000 1600 8500 ANSWER DOWNLOAD EXAMIANS APP