MCQ
A person is facing breathing difficulty, he will use:
- ✓Oxygen mask.
- BWater mask.
- CPollution mask.
- DNone of these.
✓
Answer
Correct option: A.
Oxygen mask.
Oxygen mask.
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Depending upon the nature of the constituents present in a mixture, Suhana, a class $6$ student suggested some methods of separation as shown in the table.
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→|
S.No.
|
Types of mixture
|
Methods of separation
|
|
$1.$
|
Solid - Solid.
|
Handpicking, Sieving.
|
|
$2.$
|
Solid - Liquid (insoluble).
|
Sedimentation Decantation, Filtration.
|
|
$3.$
|
Liquid - Liquid (immiscible).
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Decantation, Separating funnel.
|
|
$4.$
|
Solid - Liquid (soluble).
|
Filtration, Decantation.
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|
$5.$
|
Liquid - Liquid (miscible).
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Distillation.
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