Chemical Process Sand and __________ is fused at 1300°C, to produce sodium silicate. Sodium sulphate Limestone Soda ash Coke Sodium sulphate Limestone Soda ash Coke 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. 4000 1600 800 8500 4000 1600 800 8500 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
Chemical Process The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to Remove lignin by way of crystallisation None of these Increase the cellulose content Avoid mechanical weakening of fibre Remove lignin by way of crystallisation None of these Increase the cellulose content Avoid mechanical weakening of fibre ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dechlorination of treated water is necessary to Reduce the bacterial load on filter Remove chlorinous taste Remove residual turbidity Control taste and odour Reduce the bacterial load on filter Remove chlorinous taste Remove residual turbidity Control taste and odour ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent. 98 10 25 50 98 10 25 50 ANSWER DOWNLOAD EXAMIANS APP
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