Chemical Process Roasting of metallurgical ores is done mainly to Sinter the ore Dehydrate it Remove CO₂ & H₂O Remove arsenic & sulphur Sinter the ore Dehydrate it Remove CO₂ & H₂O Remove arsenic & sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Na₂CO₃ is called Plaster of paris Calcite Soda ash Washing soda Plaster of paris Calcite Soda ash Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Major component of flint glass is Silica Soda Alumina Lead oxide Silica Soda Alumina Lead oxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent. 10 25 50 98 10 25 50 98 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc? Sodium borate Sodium silicate Sodium tripolyphosphate (STPP) Caustic soda Sodium borate Sodium silicate Sodium tripolyphosphate (STPP) Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Absorption of SO₃ in 97% H₂SO₄ is Exothermic Not possible Endothermic None of these Exothermic Not possible Endothermic None of these ANSWER DOWNLOAD EXAMIANS APP
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