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Engineering

Match List I and List II [Diagram: A table with two columns, List I and List II. List I contains: A. Osmosis; B. Reverse osmosis; C. Electro osmosis; D. Electrophoresis. List II contains: I. Solvent molecules pass through semi permeable membrane towards solvent side; II. Movement of charged colloidal particles under the influence of applied electric potential towards oppositely charged electrodes; III. Solvent molecules pass through semi permeable membrane towards solution side; IV. Dispersion medium moves in an electric field.] Choose the correct answer from the options given below :

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Given below are two statements: Statement I: Chlorine can easily combine with oxygen to form oxides; and the product has a tendency to explode. Statement II: Chemical reactivity of an element can be determined by its reaction with oxygen and halogens. In the light of the above statements, choose the correct answer from the options given below

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A metal wire of uniform mass density having length L and mass M is bent to form a semicircular arc and a particle of mass m is placed at the centre of the arc. The gravitational force on the particle by the wire is: [Diagram: Semicircular arc with mass m at center]

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