Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Smelting Reduction Roasting Calcination Smelting Reduction Roasting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Catalytic oxidation of toluene produces Benzene Tri-nitro-toluene Phenol Styrene Benzene Tri-nitro-toluene Phenol Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reaction of an alcohol with organic acid is called the __________ reaction. Esterification Saponification Acidification Neutralisation Esterification Saponification Acidification Neutralisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Sulphuric acid Lime Sodium bisulphite Chlorine Sulphuric acid Lime Sodium bisulphite Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermosetting plastic materials Can not be melted after forming Is useful for melt casting Is useful for spinning Can be repeatedly melted Can not be melted after forming Is useful for melt casting Is useful for spinning Can be repeatedly melted ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Shrinkage volume in cement setting does not depend upon the Drying period Sand to cement ratio Ambient temperature fluctuation Water to cement ratio Drying period Sand to cement ratio Ambient temperature fluctuation Water to cement ratio ANSWER DOWNLOAD EXAMIANS APP
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