Chemical Process White phosphorous is stored under water, because It does not react with water Its kindling temperature in dry air is very low It is poisonous It is unstable It does not react with water Its kindling temperature in dry air is very low It is poisonous It is unstable ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial production of calcium carbide requires limestone and __________ as raw materials. Sand Fuel oil Coke Soda ash Sand Fuel oil Coke Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Chlorine Sulphuric acid Sodium bisulphite Lime Chlorine Sulphuric acid Sodium bisulphite Lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alum [Al2(SO₄)₃] is used as a coagulant in water treatment to remove Colour Turbidity Bacteria All of these Colour Turbidity Bacteria All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Electrodeposition of metals i.e. electroplating is never done on Metals Refractories Non-metals Alloys Metals Refractories Non-metals Alloys ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not produced on commercial scale from sea water? Magnesium compounds Sodium sulphate Potassium compounds Bromine Magnesium compounds Sodium sulphate Potassium compounds Bromine ANSWER DOWNLOAD EXAMIANS APP