Chemical Process Boiling of water containing temporary hardness produces CaHCO₃ None of these CO₂ CaSO₄ CaHCO₃ None of these CO₂ CaSO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Resistance to fusion of the refractory under a steady rising temperature condition is called Spalling Refractoriness Neither A nor B Both A & B Spalling Refractoriness Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following, when pyrolysed, produces perchloro-ethylene? Carbon tetrachloride Chlorinated paraffin Chlorobenzene Ethylene dichloride Carbon tetrachloride Chlorinated paraffin Chlorobenzene Ethylene dichloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as Bakelite Teflon Nylon-66 Neoprene Bakelite Teflon Nylon-66 Neoprene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to None of these Produce long fibres Remove lignin Prevent deterioration on storage None of these Produce long fibres Remove lignin Prevent deterioration on storage ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Portland cement consists mainly of SiO₂ & Al2O₃ CaO & Al2O₃ CaO & FE₂O₃ CaO & SiO₂ SiO₂ & Al2O₃ CaO & Al2O₃ CaO & FE₂O₃ CaO & SiO₂ ANSWER DOWNLOAD EXAMIANS APP