Chemical Process Boiling of water containing temporary hardness produces CO₂ None of these CaSO₄ CaHCO₃ CO₂ None of these CaSO₄ CaHCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in water treatment? Ferrous sulphate Chlorine Hydrogen peroxide Chloramine Ferrous sulphate Chlorine Hydrogen peroxide Chloramine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting raw material for the manufacture of maleic anhydride is Neither A nor B N-butene Benzene Either A or B Neither A nor B N-butene Benzene Either A or B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is produced using polycondensation reaction. Polythene Poly vinyl chloride None of these Phenol formaldehyde Polythene Poly vinyl chloride None of these Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Catalyst used in the oxidation of benzene to produce maleic anhydride is Ni Cr Pt V₂O₅ Ni Cr Pt V₂O₅ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical formula of 'salt cake' is BaSO₄ Na₂SO₄ CaSO₄ MgSO₄ BaSO₄ Na₂SO₄ CaSO₄ MgSO₄ ANSWER DOWNLOAD EXAMIANS APP