Pumice stone is an example of -
Lyophilic and lyophobic sols
Every question from past board papers on Lyophilic and lyophobic sols, newest paper first. Open any question for its full worked answer.
NEET UG 2023 question paper (official, booklet G6)
Full paper →NEET UG 2022 question paper (official, booklet R6)
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Given below are two statements :
Statement I :
In the coagulation of a negative sol, the flocculating power of the three given ions is in the order -
\(Al^{3+} > Ba^{2+} > Na^+\)
Statement II :
In the coagulation of a positive sol, the flocculating power of the three given salts is in the order -
\(NaCl > Na_2SO_4 > Na_3PO_4\)
In the light of the above statements, choose the most appropriate answer from the options given below :
NEET UG 2020 question paper (official, booklet E1)
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Measuring Zeta potential is useful in determining which property of colloidal solution ?
NEET UG 2019 question paper (official, booklet P1)
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Which mixture of the solutions will lead to the formation of negatively charged colloidal \([AgI]I^-\) sol. ?
NEET UG 2018 question paper (official, booklet EE)
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On which of the following properties does the coagulating power of an ion depend ?
NEET UG 2016 Phase 1 question paper (official, booklet A)
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Which one of the following characteristics is associated with adsorption ?
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Fog is a colloidal solution of :
NEET UG 2016 Phase 2 question paper (official, booklet ZZ)
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The coagulation values in millimoles per litre of the electrolytes used for the coagulation of \(As_2S_3\) are given below:
I. (NaCl) = 52, II. (BaCl\(_2\)) = 0.69,
III. (MgSO\(_4\)) = 0.22
The correct order of their coagulating power is