Chemical Process Prussian blue is chemically represented by Ca SO₄ . 2H₂O FeO.TiO₂ AlF₃ . 3NaF Fe₄ [Fe (CN₆)₃] Ca SO₄ . 2H₂O FeO.TiO₂ AlF₃ . 3NaF Fe₄ [Fe (CN₆)₃] ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 4000 800 1600 8500 4000 800 1600 8500 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a raw material used for the manufacture of ordinary glass? Iron oxide Soda ash Limestone Silica Iron oxide Soda ash Limestone Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon is chemically Regenerated cellulose acetate Regenerated cellulose nitrate Cellulose nitrate Cellulose acetate Regenerated cellulose acetate Regenerated cellulose nitrate Cellulose nitrate Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because Its calorific value is very less All of these It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop Tar neutralises the residual acids present in pitch Its calorific value is very less All of these It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop Tar neutralises the residual acids present in pitch ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sea water contains about __________ ppm of bromine. 5 1700 70 500 5 1700 70 500 ANSWER DOWNLOAD EXAMIANS APP
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