Chemical Process Main constituents of portland cement are calcium aluminate and Carbonates Sodium silicate Gypsum Silicates Carbonates Sodium silicate Gypsum Silicates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Low purity oxygen is used for Cutting and welding of metals Medicinal purposes L.D. steel making Chemical oxidation processes Cutting and welding of metals Medicinal purposes L.D. steel making Chemical oxidation processes ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chloral is used in the manufacture of DDT None of these BHC Parathion DDT None of these BHC Parathion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials for 'Solvay Process' for manufacture of the soda ash are Ammonia limestone and coke Ammonia, salt and limestone None of these Salt, limestone and coke or gas Ammonia limestone and coke Ammonia, salt and limestone None of these Salt, limestone and coke or gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C. 75 to 80 -5 to 0 30 to 50 5 to 10 75 to 80 -5 to 0 30 to 50 5 to 10 ANSWER DOWNLOAD EXAMIANS APP