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Match the following : (i) Foam (ii) Gel (iii) Aerosol (iv) Emulsion (a) smoke (b) cell fluid (c) jellies (d) rubber (e) froth (f) milk

1. (i)-(b), (ii)-(c), (iii)-(e), (iv)-(d)
2. (i)-(d), (ii)-(b), (iii)-(e), (iv)-(f)
3. (i)-(d), (ii)-(b), (iii)-(a), (iv)-(e)
4. (i)-(e), (ii)-(c), (iii)-(a), (iv)-(f)

Correct answer: (i)-(d), (ii)-(b), (iii)-(e), (iv)-(f)

Solution

The correct matches are based on the definitions of each substance: foam is a frothy structure (i)-(e), gel is similar to cell fluid (ii)-(b), aerosol refers to a colloidal system like smoke (iii)-(a), and emulsion is a mixture like milk (iv)-(f).

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