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 Dacron (or terylene) fibres as compared to nylon's fibres have All of these Better heat & acid resistant properties Poorer resistance to alkalis Poorer dyeability All of these Better heat & acid resistant properties Poorer resistance to alkalis Poorer dyeability ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is All of these A discontinuous reaction (requiring regeneration of iron by water gas intermittently) A slow reaction Still in development stage (by employing fluidised bed technique) All of these A discontinuous reaction (requiring regeneration of iron by water gas intermittently) A slow reaction Still in development stage (by employing fluidised bed technique) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dichloro diphenyl __________ is the full form of DDT (an insecticide). Tetrachloromethane Trichloromethane Tetrachloroethane Trichloroethane Tetrachloromethane Trichloromethane Tetrachloroethane Trichloroethane ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pig iron is produced by blast furnaces in India using mostly the iron ore named Siderite Chalcopyrite Magnetite Hematite Siderite Chalcopyrite Magnetite Hematite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to Remove the coloring matter from the syrup Improve the rate of crystallisation of sugar Adjust the pH of the syrup Reduce the viscosity of the syrup Remove the coloring matter from the syrup Improve the rate of crystallisation of sugar Adjust the pH of the syrup Reduce the viscosity of the syrup ANSWER DOWNLOAD EXAMIANS APP
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