Chemical Process Sodium chloride content in sea water is about __________ gms/litre. 25 10 2 50 25 10 2 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not produced commercially from sea water? Magnesium & potassium compounds Common salt Bromine Iodine Magnesium & potassium compounds Common salt Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of oil does not Remove double bonds Improve its resistance to oxidation None of these Raise its melting point Remove double bonds Improve its resistance to oxidation None of these Raise its melting point ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Density difference None of these Terminal velocities Wetting characteristics Density difference None of these Terminal velocities Wetting characteristics ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Salt cake is chemically represented by Na₂SO₄ BaSO₄ MgSO₄ CaSO₄.1/2 H₂O Na₂SO₄ BaSO₄ MgSO₄ CaSO₄.1/2 H₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Coke breeze Dolomite Lime powder Silica/quartz Coke breeze Dolomite Lime powder Silica/quartz ANSWER DOWNLOAD EXAMIANS APP
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