4. The colloid of starch in water is ........
a. solid sol
b. emulsion
c.gel
d, sol
Answers
Answer:
d) solution
is your answer
The colloid of starch in water is ........
a. solid sol
b. emulsion
c. gel
d. sol
The Correct Option is...
✔ d. sol
Explanation ⦂
Starch in water forms a colloid sol, when water is used to starch, it forms a lyophilic sol. When starch is mixed with water and heated, sols are formed at a rapid rate. Starch can be prepared by heating a solution of starch and water to 100 °C.
Starch has a stable nature, and is not affected by the presence of any electrolyte.
Sol is a colloid composed of very small solid particles in a continuous liquid medium. The nature of sol is permanent. Sol shows the Tyndall effect.
For example blood, paint, mud etc. The sol itself is used in making the sol-gel process.
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