Chemical Process Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. Arsenic Copper Chromium Mangnese Arsenic Copper Chromium Mangnese ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Coke breeze Silica/quartz Dolomite Lime powder Coke breeze Silica/quartz Dolomite Lime powder ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coke used for the production of calcium carbide should have High electrical resistivity All of these Low ash content Low ignition temperature High electrical resistivity All of these Low ash content Low ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an ore of iron? Hematite Galena Bauxite Chalcopyrite Hematite Galena Bauxite Chalcopyrite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is Ultraviolet light Dilute H₂SO₄ Oleum None of these Ultraviolet light Dilute H₂SO₄ Oleum None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Addition of calcium oxide to water produces Slaked lime All of these Hissing sound Exothermic heat Slaked lime All of these Hissing sound Exothermic heat ANSWER DOWNLOAD EXAMIANS APP
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