Chemical Process Which of the following, when pyrolysed, produces perchloro-ethylene? Chlorinated paraffin Ethylene dichloride Chlorobenzene Carbon tetrachloride Chlorinated paraffin Ethylene dichloride Chlorobenzene Carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dechlorination of treated water is necessary to Control taste and odour Reduce the bacterial load on filter Remove residual turbidity Remove chlorinous taste Control taste and odour Reduce the bacterial load on filter Remove residual turbidity Remove chlorinous taste ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Lime Sulphuric acid Chlorine Sodium bisulphite Lime Sulphuric acid Chlorine Sodium bisulphite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Saponification value/number of an oil or fat is a measure of its Degree of unsaturation of the fatty acids present in it Insoluble fatty acid content Fatty acid content Average molecular weight Degree of unsaturation of the fatty acids present in it Insoluble fatty acid content Fatty acid content Average molecular weight ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a pyrite ore? Galena Gypsum Siderite Celestite Galena Gypsum Siderite Celestite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and Sulphuric acid Hydrochloric acid Phosphoric acid Hydroflouric acid Sulphuric acid Hydrochloric acid Phosphoric acid Hydroflouric acid ANSWER DOWNLOAD EXAMIANS APP
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