The coagulation values (in millimoles per litre) of the electrolytes used for the coagulation of are given below:
I)
II)
III)
What is the correct order of their coagulating power?
NaCl > BaCl2 > MgSO4
MgSO4 > BaCl2 > NaCl
BaCl2 > NaCl > MgSO4
MgSO4 > NaCl > BaCl2
Related Questions
Bleeding due to a cut can be stopped by applying ferric chloride solution in the laboratory. This is due to
Coagulation of negatively charged blood particles by ions.
Coagulation of positively charged blood particles by ions.
Reaction taking place between ferric ions and the haemoglobin forming a complex
Common element, iron, in both amd haemoglobin
Tyndall effect shown by colloids is due to
Scattering of light by the particles
Movement of particles
Reflection of light by the particles
Coagulation of particles
If the dispersed phase is a liquid and the dispersion medium is a solid, the colloid is known as :
A sol
An emulsion
A gel
A foam
The fresh precipitate can be transformed in colloidal state by
Peptization
Coagulation
Diffusion
None of these
The movement of colloidal particles towards their respective electrodes in the presence of an electric field is known as
Electrolysis
Brownian movement
Dialysis
Electrophoresis
Whipped cream is an example of :
Dispersed phase Dispersion medium
Liquid gas
Gas liquid
Liquid liquid
Solid liquid
Smoke (a negatively charged colloid) is an example of :
Gas dispersed in liquid
Gas dispersed in solid
Solid dispersed in gas
Solid dispersed in solid
In which of the following reactions will a negatively charged colloidal sol of silver iodide () be formed?
is added to excess
is added to excess
is added to excess
is added to excess
In a stable colloidal solution, the zeta potential is expected to be:
Close to zero
Low and positive
Low and negative
High (positive or negative)
Which of the following will not result in the formation of a negatively charged sol?
Adding KI to AgNO₃
Adding AgNO₃ to KI
Adding equal volumes of 0.1M AgNO₃ and 0.1M KI
Adding equal volumes of 0.1M AgNO₃ and 0.2M KI
