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c) gas d) may be solid or liquid
Q.9 Curd is a …………. As the ………. is liquid and ………… is solid.
Q.10 Solid gas colloids are called sols (True/False)
SUBJECTIVE QUESTIONS
Sl.No. Questions Mark Skill
Q.1 What are gels? Give an example. 1 R/E
Q.2 Why coloured glass is classified under solid sols? 1 A/Av
Q.3 Find the dispersed phase and dispersion medium in the following 3 U/E
colloids.
Mist, smoke, Cheese, bread, milk, alloys
Q.4 Define the following with one example of each 3 R/Av
a) Aerosols
b) Emulsions
Q.5 (a) List any two characteristics of colloid. 5 A/Av
(b) Identify colloid from the following mixtures and write the type of
colloid under which they can be classified
Muddy water, sugar in water, ink, blood, soda water, mist.
