Question

Meena prepares solution ‘P’ using alum and water and solution ‘Q’ using starch in water. Identify ‘P’ and ‘Q’. Also, differentiate the two solutions on the basis of
(a) Tyndall effect (b) Particle size

Answer 1

$\huge\boxed{\underline{\mathcal{\red{❥A}\green{N}\pink{S}\orange{W}\blue{E}\purple{R}}}}$

Sea water is a mixture of salts and water which cannot be separated except by evaporation. Therefore, sea water is considered homogeneous.

Sea water also contains mud, decayed plant, etc., other than salts and water, so it is heterogeneous also.