Chemical Process Iron ore hametite is concentrated using Gravity separation Roasting Electro magnetic separation mainly Froth floatation Gravity separation Roasting Electro magnetic separation mainly Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it Consumes less power per ton of Cl₂ produced Has larger production capacity per unit cell All of these Produces high purity (70%) caustic soda directly Consumes less power per ton of Cl₂ produced Has larger production capacity per unit cell All of these Produces high purity (70%) caustic soda directly ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials for 'Solvay Process' for manufacture of the soda ash are Ammonia, salt and limestone None of these Ammonia limestone and coke Salt, limestone and coke or gas Ammonia, salt and limestone None of these Ammonia limestone and coke Salt, limestone and coke or gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flexible foam (for mattresses) is usually made of PVC Polyamides Polyurethanes Silicone PVC Polyamides Polyurethanes Silicone ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed : Furnace → converter → evaporator Converter → furnace → absorber Furnace → evaporator → absorber Furnace → converter → absorber Furnace → converter → evaporator Converter → furnace → absorber Furnace → evaporator → absorber Furnace → converter → absorber ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cooking liquor in case of sulphite process is None of these Magnesium sulphate and magnessium bicarbonate Magnesium sulphite and free SO₂ in acid medium Sodium sulphite and sodium bisulphite None of these Magnesium sulphate and magnessium bicarbonate Magnesium sulphite and free SO₂ in acid medium Sodium sulphite and sodium bisulphite ANSWER DOWNLOAD EXAMIANS APP
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