Chemical Process Portland cement consists mainly of CaO & SiO₂ SiO₂ & Al2O₃ CaO & Al2O₃ CaO & FE₂O₃ CaO & SiO₂ SiO₂ & Al2O₃ CaO & Al2O₃ CaO & FE₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dacron (or terylene) fibres as compared to nylon's fibres have Poorer resistance to alkalis All of these Poorer dyeability Better heat & acid resistant properties Poorer resistance to alkalis All of these Poorer dyeability Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ are used as corrosion inhibitor for iron & steel in aqueous solutions. Phosphates Chromates Sulphates Bi-carbonates Phosphates Chromates Sulphates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Prussian blue is chemically represented by AlF₃ . 3NaF Fe₄ [Fe (CN₆)₃] FeO.TiO₂ Ca SO₄ . 2H₂O AlF₃ . 3NaF Fe₄ [Fe (CN₆)₃] FeO.TiO₂ Ca SO₄ . 2H₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process CaSO₄ .1/2 H₂O is known as Blue vitriol Zeolite Gypsum Plaster of Paris Blue vitriol Zeolite Gypsum Plaster of Paris ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is made by the None of these Oxidation of naphthalene Oxidation of benzene Dehydrogenation of ethyl benzene None of these Oxidation of naphthalene Oxidation of benzene Dehydrogenation of ethyl benzene ANSWER DOWNLOAD EXAMIANS APP
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