Chemical Process Roasting of metallurgical ores is done mainly to Remove CO₂ & H₂O Sinter the ore Remove arsenic & sulphur Dehydrate it Remove CO₂ & H₂O Sinter the ore Remove arsenic & sulphur Dehydrate it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fumigant insecticides Are absorbed throughout the plant Emit poisonous vapour Kill insects, when they eat it None of these Are absorbed throughout the plant Emit poisonous vapour Kill insects, when they eat it None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which one of the following is not likely to be a constituent of vegetable oils? Citric acid Stearic acid Glycerol Oleic acid Citric acid Stearic acid Glycerol Oleic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Brackish water which contains mostly dissolved salt, can be purified by the __________ process. Lime soda Permutit Sand filter Reverse osmosis Lime soda Permutit Sand filter Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of aspirin (an analgesic drug) is Methyl salicylate Calcium acetate Nictonic acid Acetylsalicylic acid Methyl salicylate Calcium acetate Nictonic acid Acetylsalicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of sulphide ores is done usually by Smelting Froth floatation Electro magnetic separation Roasting Smelting Froth floatation Electro magnetic separation Roasting ANSWER DOWNLOAD EXAMIANS APP
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