Chemical Process Roasting of metallurgical ores is done mainly to Remove arsenic & sulphur Dehydrate it Remove CO₂ & H₂O Sinter the ore Remove arsenic & sulphur Dehydrate it Remove CO₂ & H₂O Sinter the ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The manufacture of Kraft pulp is done by a/an __________ process. Alkaline None of these Acidic Neutral Alkaline None of these Acidic Neutral ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to None of these Remove lignin Prevent deterioration on storage Produce long fibres None of these Remove lignin Prevent deterioration on storage Produce long fibres ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid. Phthalic anhydride Vinyl chloride Dacron Maleic anhydride Phthalic anhydride Vinyl chloride Dacron Maleic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Varnish does not contain Pigment Both A & B Thinner Neither A nor B Pigment Both A & B Thinner Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Essential oils are usually obtained using Steam distillation Solvent extraction Leaching Extractive distillation Steam distillation Solvent extraction Leaching Extractive distillation ANSWER DOWNLOAD EXAMIANS APP