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NCERT FINGERTIPS-SURFACE CHEMISTRY-Assertion And Reason
- Assertion : Solids in finely divided state act as good adsorbents. ...
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- Assertion : Silica gel is used to dry air. Reason : Silica gel absor...
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- Assertion : In physical adsorption , enthalpy of adsorption in very lo...
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- Assertion : Physical adsorption increases with increase in temperature...
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- Assertion : Physisorption of a gas adsorbed at low temperature may cha...
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- Assertion : Hydrolysis of ester is an example of auto-catalytic reacti...
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- Assertion : Zeolites are good shape-selective catalyst. Reason : Ze...
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- Assertion : Amylase in the presence of sodium choride i.e., Na^(+) ion...
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- Assertion : Lyophilic sols are reversible sols. Reason : Lyophilic...
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- Assertion : Colloidal sol scatters ight while true solution does not. ...
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- Assertion : The values of colligative properties are of smaller order ...
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- Assertion : When KI solution is added to AgNO(3) solution, negatively ...
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- Assertion : In the coagulation of a negative sol the flocculating powe...
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- Assertion : Lyophilic colloids have a unique property of protecting ly...
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- Assertion : For stabilisation of an emulsion a third component called ...
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