Chemical Process Lime and soda ash are added to water to remove Bacteria Bicarbonates & sulphates of calcium and magnesium Undersirable taste and odour Its corrosiveness Bacteria Bicarbonates & sulphates of calcium and magnesium Undersirable taste and odour Its corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a pyrite ore? Celestite Galena Gypsum Siderite Celestite Galena Gypsum Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most efficient absorbant for SO₃ out of the following? 20% oleum 98%H₂SO₄ 78%H₂SO₄ 65% oleum 20% oleum 98%H₂SO₄ 78%H₂SO₄ 65% oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Ni Cr V₂O₅ Al₂O₃ Ni Cr V₂O₅ Al₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Caprolactum (a raw material for nylon-6 manufacture) is produced from Pyridine Benzene Naphthalene Phenol Pyridine Benzene Naphthalene Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bleaching action of bleaching powder is due to its __________ properties. Reducing Oxidising Disinfecting None of these Reducing Oxidising Disinfecting None of these ANSWER DOWNLOAD EXAMIANS APP
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