Chemical Process Roasting of metallurgical ores is done mainly to Remove arsenic & sulphur Sinter the ore Remove CO₂ & H₂O Dehydrate it Remove arsenic & sulphur Sinter the ore Remove CO₂ & H₂O Dehydrate it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Grignard reagent is chemically known as Methyl magnesium chloride Dichlorophenol Ethyl magnesium chloride Monochloro acetic acid Methyl magnesium chloride Dichlorophenol Ethyl magnesium chloride Monochloro acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to Prevent deterioration on storage Produce long fibres None of these Remove lignin Prevent deterioration on storage Produce long fibres None of these Remove lignin ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oleum produces fumes of SO₂ H₂SO₄ SO₂ + H₂SO₄ SO₃ SO₂ H₂SO₄ SO₂ + H₂SO₄ SO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to Avoid corrosion None of these Reduce the cooling water circulation rate Increase the rate of absorption Avoid corrosion None of these Reduce the cooling water circulation rate Increase the rate of absorption ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Neoprene is the trade name of Polyurathane Polychloroprene Styrene-butadiene rubber Phenol formaldehyde Polyurathane Polychloroprene Styrene-butadiene rubber Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
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