Question

solve it
class 6 science​

Answer 1

⚘ Refer the attachment for solution ⚘

Assimilate:

Sieving:

• When the particle sizes of the compounds are different.
• Separating

1. bran from flour
2. Stones from sand

Magnetic separation:

• When one of the constituents is magnetic.
• Separating iron from sulphur

Dissolution and evaporization:

• When one of the constituents is soluble
• Separating salt or sugar from sand.

Chromatography:

• When the whole mixture is soluble.
• Separating pigments of an ink or a flower.

Sedimentation and decantation:

• When the mixture is heterogeneous
• Separating sand from water.

Filtration:

• When the mixture is heterogeneous
• Separating chalk from water.

Distillation:

• When the mixture is homogeneous or heterogeneous.
• Separating water from salt, sugar or sand

Using a separating funnel:

• When the liquids are immiscible.
• Separating oil from water.

Fractional distillation:

• When the miscible liquids differ in boiling point by 20°C or more.
• Separating

1. Alcohol from water
2. Benzene from toluene

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