Chemical Process A mineral is termed as 'ore', if It contains ≥ 40% metal The metal present in it is costly All of these A metal can be economically extracted from it It contains ≥ 40% metal The metal present in it is costly All of these A metal can be economically extracted from it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A substance produced by a living organism and capable of anti-microbial activity is called a/an Antiseptic None of these Disinfectant Antibiotic Antiseptic None of these Disinfectant Antibiotic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Absorption of SO₃ in 97% H₂SO₄ is Exothermic Not possible None of these Endothermic Exothermic Not possible None of these Endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of hydrated lime in water treatment After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Before filtration, reduces the bacterial load on filters Is to adjust the pH value All of these After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Before filtration, reduces the bacterial load on filters Is to adjust the pH value All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid. Maleic anhydride Dacron Phthalic anhydride Vinyl chloride Maleic anhydride Dacron Phthalic anhydride Vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical formula of BHC, which is an insecticide is C₆Cl₆ C₆H₅Cl C₆H₄Cl₂ C₆H₆Cl₆ C₆Cl₆ C₆H₅Cl C₆H₄Cl₂ C₆H₆Cl₆ ANSWER DOWNLOAD EXAMIANS APP
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