Related Practice Questions :

When dilute aqueous solution of AgNO3 (excess) is added to KI solution, positively charged sol particles of AgI are formed due to adsorption of ion:

(a)K+

(b)Ag+

(c)I-

(d)NO3-

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The phenomenon in which adsorption and absorption takes place simultaneously is called:

(a) desorption                        (b) sorption

(c) both (a) and (b)                (d) none of these

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Gas masks containing activated charcoal to remove poisonous gases from atmosphere acts on the principle of:

(a) adsorption

(b)absorption

(c)sorption

(d)all of these

 

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Chemisorption is:

(a)multimolecular in nature

(b)reversible

(c)often highly specific and directional

(d)not very specific

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Adsorption is accompanied by:

(a) decrease in entropy of the system

(b) decrease in enthalpy of the system

(c) TS for the process is negative

(d) all of the above

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