preparation of a suspension of soil, chalk powder and fine sand in water. Please tell tomorrow is my exam
Answers
Answer:
Suspension
It is the solution in which the solute size is more than 100 nm .
Properties of suspension
It is a heterogeneous mixture.
Particle size is more than 1000 nm (10-6 m) and can be seen with naked eyes.
The particles of suspension, in its suspended form scatter a beam of light, i.e., shows Tyndall effect.
It is unstable.
The particles can be separated by filtration.
It is opaque.
To prepare a suspension of soil, chalk powder and fine sand in water. Suspension of sand in water:
Take say 100 mL of distilled water in a beaker
To it add say, 10 g of fine sand in it.
Set well using a glass rod.
In few minutes you will see the suspension gets ready
Activity:
Step 1: Three beakers are taken and 100 ml of water is added in each of them and labelled them as A, B and C respectively.
Step 2: 10g of fine soil (without litter), fine chalk powder and fine sand is added in each beaker separately.
Step 3: Solution is stirred with the help of glass rod.
Answer:
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