Chemical Process Roasting of metallurgical ores is done mainly to Remove CO₂ & H₂O Remove arsenic & sulphur Dehydrate it Sinter the ore Remove CO₂ & H₂O Remove arsenic & sulphur Dehydrate it Sinter the ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of viscose rayon, the raw material used industrially is Bagasse Bamboo Fine teak wood Recalyptious wood Bagasse Bamboo Fine teak wood Recalyptious wood ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of aspirin (an analgesic drug) is Calcium acetate Acetylsalicylic acid Methyl salicylate Nictonic acid Calcium acetate Acetylsalicylic acid Methyl salicylate Nictonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of glycerene present in the spent lye obtained during soap manufacture is about 5 0.5 35 20 5 0.5 35 20 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate Is soluble in ammonium chloride and potassium chloride solution Has high water solubility and is unstable Is prone to thermal decomposition All of these Is soluble in ammonium chloride and potassium chloride solution Has high water solubility and is unstable Is prone to thermal decomposition All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process DDT should not be allowed to come in contact with iron (during its manufacture) to None of these Avoid its decomposition Achieve non-hygroscopic property Prevent sulphonation of the monochlorobenzene by the acid catalyst None of these Avoid its decomposition Achieve non-hygroscopic property Prevent sulphonation of the monochlorobenzene by the acid catalyst ANSWER DOWNLOAD EXAMIANS APP