EASY
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IMPORTANT
Earn 100

Among the following, the false statement is:
(a)Latex is a colloidal solution of rubber particles which are positively charged
(b)Tyndall effect can be used to distinguish between a colloidal solution and a true solution.
(c)It is possible to cause artificial rain by throwing electrified sand carrying charge opposite to the one on clouds from an aeroplane.
(d)Lyophilic sols can be coagulated by adding an electrolyte.

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Important Questions on Surface Chemistry
MEDIUM
JEE Main
IMPORTANT
Given:
On the basis of data given above, predict which of the following gases shows the least adsorption on a definite amount of charcoal?

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JEE Main
IMPORTANT
Among the following, the incorrect statement about colloids is:

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JEE Main
IMPORTANT
Peptization is a:

MEDIUM
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IMPORTANT
Under ambient conditions, which among the following surfactants will form micelles in aqueous solution at lowest molar concentration?

EASY
JEE Main
IMPORTANT
The haemoglobin and the gold sol are examples of

MEDIUM
JEE Main
IMPORTANT
The correct option among the following is.

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IMPORTANT
A gas undergoes physical adsorption on a surface and follows the given Freundlich adsorption isotherm equation
Adsorption of the gas increases with:

EASY
JEE Main
IMPORTANT
Gold numbers of some colloids are Gelatin: , Gum Arabic: , Oleate: , Starch: . Which among the following is a better protective colloid?
