Chemical Engineering Basics Silicon crystal can be converted to p-type semi-conductor by doping with Boron Phosphorous Nitrogen Carbon Boron Phosphorous Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The weight of a body at the centre of the earth is Infinite None of these Zero Same as on the surface of the earth Infinite None of these Zero Same as on the surface of the earth 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 30000 J 60000 J 240000 J 90000 J 30000 J 60000 J 240000 J 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 surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of copper sulphate solution Increasing the concentration of zinc sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of copper sulphate solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Hydrogen in liquid steels is dissolved In the molecular form As tiny gas bubbles In the ionic form In the atomic form In the molecular form As tiny gas bubbles In the ionic form In the atomic form ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxyacetylene reducing flame is used while carrying out welding on Grey cast iron Alloy steel High carbon steel Mild steel Grey cast iron Alloy steel High carbon steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
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