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प्रश्न
Name the process associated with the following
Settling of sand when a mixture of sand and water is left undisturbed for some time.
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उत्तर
Sedimentation
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संबंधित प्रश्न
List the points of differences between homogeneous and heterogeneous mixtures with examples.
Fill in the blank
Mixtures can be ________ or _______
Compare the properties of metals and non-metals with respect to
- alleability
- ductility
- electrical conductivity.
Which of the following are homogeneous in nature ?
- ice
- wood
- soil
- air
Define the following:
Pure substance
Give reason:
Why do petrol and water form a heterogeneous mixture?
State whether the following statement is true or false. If false write – the correct statement.
Components in a mixture are present in a definite proportion.
State whether the following statement is true or false. If false write – the correct statement.
Components in a mixture can be separated by physical and chemical methods.
Suggest separation technique(s) one would need to employ to separate the following mixture.
Common salt, water and sand
What would you observe when
an aqueous sugar solution is heated to dryness.
