Chemical Process Pick out the true statement pertaining to water treatment. Normally, the turbidity is removed by adding a coagulent prior to sedimentation Activated carbon can be used for taste & odour control without subsequent filtration Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely Normally, the turbidity is removed by adding a coagulent prior to sedimentation Activated carbon can be used for taste & odour control without subsequent filtration Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant. High silica Pyrex Soda lime Lead High silica Pyrex Soda lime Lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a constituent of coffee? Calgon Lignin Nicotine Caffeine Calgon Lignin Nicotine Caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dry ice (solidified CO₂) is used for the None of these Storage & shipment of frozen foods and ice-creams Liquefaction of natural gas Liquefaction of permanent gases None of these Storage & shipment of frozen foods and ice-creams Liquefaction of natural gas Liquefaction of permanent gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. Copper Arsenic Mangnese Chromium Copper Arsenic Mangnese Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Lime powder Silica/quartz Dolomite Coke breeze Lime powder Silica/quartz Dolomite Coke breeze ANSWER DOWNLOAD EXAMIANS APP
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