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Which of the following sols can be prepared by mixing? ...
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The process of preparation of a colloidal sol from a precipitate is called ...
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Colloidal gold is prepared by ...
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A colloidal dispersion of gas in a liquid is called ...
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Milk is an example of ...
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Which of the following is false? ...
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The size of colloidal particles is ...
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Keeping temperature constant, with the increase in pressure adsorption ...
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The heat of adsorption in chemisorption is ...
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Which of the following is incorrect for physisorption? ...
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With the increase in temperature, adsorption ...
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In physical adsorption, the forces associated are ...
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Which is adsorbed in maximum amount by activated charcoal?(critical temperatures are given) ...
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In the adsorption process ΔH ...
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When BaCl2 is dissolved in water, pH of the aqueous solution is ...
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degree of hydrolysis for CH3COONH4 is ...
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For anionic hydrolysis, pH is given by ...
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What is the % hydrolysis of NaCN in N/80 solution when the dissociation constant for HCN is 1.3×10-9. ...
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Dissociation constant of CH3COOH is 1.8×10-5. The hydrolysis constant of 0.1 M sodium acetate is ...
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pH of 0.1 M NaCl will be ...
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On diluting a buffer solution, its pH ...
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pH of a buffer solution changes by one unit when "n" moles of acid is added to a one litre of buffer. The Buffer capacity is ...
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The pH of a buffer solution containing equal molar concentrations of a weak base and its chloride (Kb=2×10-5) ...
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One litre of a buffer solution containing 0.01 M NH4Cl and 0.1 M NH4OH having pKb of 5 has pH of ...
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pH of an acid buffer is given by ...
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Which of the following acts as a buffer? ...
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An aqueous solution whose pH is zero is ...
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At a certain temperature, the value of pKw is 13.4 and the measured pH of the solution is 7. The solution is ...
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The pH of 0.1 M solution of a weak acid is 3. What is the value of the ionisation constant for the acid? ...
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10 ml of M/200 H2SO4 is mixed with 40 ml of M/200 H2SO4. The pH of the resulting solution is ...