Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of Dry air Pure oxygen Moisture Sunlight Dry air Pure oxygen Moisture Sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Limestone addition in the blast furnace is done to flux __________ present in the raw materials. SiO₂ MnO₂ P Al2O₃ SiO₂ MnO₂ P Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If the head is doubled in & centrifugal pump, the power required will increase in the ratio of 23/2 25/2 21/3 23 23/2 25/2 21/3 23 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is Black Green Yellow Silver grey Black Green Yellow Silver grey ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 90000 J 240000 J 60000 J 30000 J 90000 J 240000 J 60000 J 30000 J ANSWER DOWNLOAD EXAMIANS APP
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