ANSWER:

1.A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. ... Particle size distinguishes homogeneous solutions from other heterogeneous mixtures.

2.A sol is a heterogeneous mixture. They are quite stable in nature. Suspension: These are a heterogeneous mixture.

3.Concentration

Mass of sodium chloride (Solute) = 36gm

Mass of water (solvent) = 100 gm

Mass of solution = 36+100

∴ Mass of solution = 136 gm

Concentration = (Mass of Solute / Mass of Solution) * 100

Concentration = (36/136) × 100

Concentration = 26.47%

Temperature

If temperature increases, SOLUBILITY increases and if temperature decreases, solubility decreases.

It is possible to distinguish the particles of solute from those of solvent in a suspension, since particle size is BIGGER in suspensions, hence it is EASIER to distinguish the particles of solute.

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