NURSING EXAM QUESTIONS
PHARMACEUTICS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Gel
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Solid sol
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Foam
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Liquid sol
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Detailed explanation-1: -Which of the following form of colloid is considered to be the strongest colloid? Explanation: We know that solid sol is the colloidal solution of a solid and a solid. Since there is a mixture of solid and solid, the bond between them is quite strong. Thus it is considered to be the strongest colloid.
Detailed explanation-2: -Sol is a type of colloid solution, its dispersed phase is solid and dispersion medium is liquid. Examples: gold sol, sulphur sol etc. Gel is a type of colloid solution, its dispersed phase is liquid and dispersion medium is solid. Examples: curd, cheese, jellies etc.
Detailed explanation-3: -Starch solution is most stable among the following because it is a lyophilic colloid and the solutions are highly stable due to the high interaction between the dispersed phase and the dispersion medium.