Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Calcination Roasting Reduction Smelting Calcination Roasting Reduction Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a raw material used for the manufacture of ordinary glass? Silica Soda ash Iron oxide Limestone Silica Soda ash Iron oxide Limestone ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Gypsum is chemically Potassium sulphate Sodium sulphate Calcium chloride Calcium sulphate Potassium sulphate Sodium sulphate Calcium chloride Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Prussian blue is chemically represented by Fe₄ [Fe (CN₆)₃] Ca SO₄ . 2H₂O FeO.TiO₂ AlF₃ . 3NaF Fe₄ [Fe (CN₆)₃] Ca SO₄ . 2H₂O FeO.TiO₂ AlF₃ . 3NaF ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid completely saturated with sulphur trioxide is called Sulphurous acid Oleum Concentrated sulphuric acid Dilute sulphuric acid Sulphurous acid Oleum Concentrated sulphuric acid Dilute sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to Increase its viscosity Reduce the variation in its viscosity with temperature Reduce its viscosity Increase the variation in its viscosity with temperature Increase its viscosity Reduce the variation in its viscosity with temperature Reduce its viscosity Increase the variation in its viscosity with temperature ANSWER DOWNLOAD EXAMIANS APP
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