Separation of Components of a Mixture
Trending Questions
(a) The method of separating seeds of paddy from its stalks is called ___________.
(b) When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of ___________.
(c) Salt is obtained from seawater by the process of ___________.
(d) Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ___________.
- mixing of salt in water is a permanent change
- mixing of salt in water is a change that cannot be reversed
- mixing of salt in water is a change that can be reversed by heating and melting of salt
- mixing of salt in water is a change that can be reversed by evaporation
- Filtration
- Sedimentation
- Decantation
- Threshing
- True
- False
- Husk in water
- Salt in water
- Lemon juice in water
- Mud in water
Activity 1: Rice and water are taken in a beaker. The mixture is allowed to stand for sometime. Rice settle down at the bottom.
Activity 2: Water is gently poured out into another beaker without disturbing the rice.
- beaker
- decanting
- testube
- flask
- stones
- stalk
- husk
- False
- True
Which among the following materials can be separated using filtration?
A solution of salt and water
A mixture of sand and sawdust
A solution of vinegar and water
A mixture of mud and water
Filtration is helpful in separating an insoluble __________ from a __________.
gas, liquid
liquid, liquid
solid, liquid
gas, solid
- texture
- colour
- weight
- size
Students were asked to separate the substances. A bag has limes and oranges. A student separates them by the method of handpicking without looking into the bag directly.
Why do you think the student uses the handpicking method in this case?
- Both fruits have different weights and sizes.
Both fruits have different sizes and colours.
Both fruits have different shapes.
Both fruits have different sizes.
sedimentation, decantation
decantation, filtration
filtration, sedimentation
sedimentation, winnowing
Mud and water can be separated from a mixture by __________ .
using a magnet
filtration
threshing
sublimation
- filtration and evaporation
- filtration and distillation
- filtration and sublimation
- none of these
- Oil and water
- Stones and flour
- Sand and water
- Salt and water
- Condensation
- Evaporation
- Sublimation
- Sedimentation
- filtration
- handpicking
- winnowing
- evaporation
- Sieving
- Salt from water
- Pulp from juice
- Filtration
- Evaporation
- Stones from sand
- Condensation
- Evaporation
- Sublimation
- Sedimentation
Identify the method by which chalk and water or even clay and water can be separated.
Handpicking
Threshing
Filtration
Winnowing
- husk
- stalk
- stones
A student was asked to mix egg white with water and stir it well. What did you think he observed?
Egg white floats on the surface of the water.
A transparent mixture is formed.
A translucent mixture is formed.
Egg white settles at the bottom.
Activity 1: Rice and water are taken in a beaker. The mixture is allowed to stand for sometime. Rice settle down at the bottom.
Activity 2: Water is gently poured out into another beaker without disturbing the rice.
- Activity 1: Sedimentation
Activity 2: Filtration - Activity 1: Decantation
Activity 2: Sedimentation - Activity 1: Filtration
Activity 2: Decantation - Activity 1: Sedimentation
Activity 2: Decantation