WorksheetsSeparation of Substances - 1
Total questions: 60
Worksheet time: 36mins
The property used in separating a mixture of two solid by winnowing is the difference in weight.
True
False
The chemical used for loading is baking soda.
True
False
A mixture of milk and water can be separated by filtration.
True
False
A mixture of powdered salt and sugar can be separated by the process of winnowing.
True
False
Separation of sugar from tea can be done with filtration.
True
False
Grain and husk can be separated with the process of decantation.
True
False
The method in which stalks are beaten to free the grain seeds is called threshing.
True
False
Sieving is used when the component of mixture are of different sizes.
True
False
The method of filtration is also used in the process of preparing cottage cheese in homes.
True
False
When no more salt can be dissolved in the given amount of water at particular temperature, the solution is said to be unsaturated.
True
False
Centrifugation is used to separate cream from curd.
True
False
Hand picking can be used to separate cashew nuts from mixture of almonds and cashew nuts.
True
False
We can remove small stones from pulses before cooking by (a)
The process of separating a liquid from solid sediment is called (a)
The method of separating seeds of paddy from its stalks is called (a)
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 (a)
Salt is obtained from seawater by the process of (a)
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
(a)
(a) method is used to separate stones from grains.
Husk from wheat can be separated by (a)
(a) is used to remove impurities and bran from the flour.
The two liquids that do not mix with each other can be separated by (a)
Salt is obtained from (a)
We see water drops under the plate that has been used to cover a container containing milk that has just been boiled. This is due to the process of (a)
Handpicking What is the first statement of the video clip?
Separating solids from solids
Hand-picking before washing rice for cooking
We first remove the paddy, husk, and stones from the mixture
This method is commonly used for separating slightly larger sized Impurities
Like the pieces of dirt stone and husk from wheat, rice, or pulses
Handpicking What is the Second statement of the video clip?
Separating solids from solids
Hand-picking before washing rice for cooking
We first remove the paddy, husk, and stones from the mixture
This method is commonly used for separating slightly larger sized Impurities
Like the pieces of dirt stone and husk from wheat, rice, or pulses
Handpicking What is the Third statement of the video clip?
Separating solids from solids
Hand-picking before washing rice for cooking
We first remove the paddy, husk, and stones from the mixture
This method is commonly used for separating slightly larger sized Impurities
Like the pieces of dirt stone and husk from wheat, rice, or pulses
Handpicking What is the Fourth statement of the video clip?
Separating solids from solids
Hand-picking before washing rice for cooking
We first remove the paddy, husk, and stones from the mixture
This method is commonly used for separating slightly larger sized Impurities
Like the pieces of dirt stone and husk from wheat, rice, or pulses
Handpicking What is the Fifth statement of the video clip?
Separating solids from solids
Hand-picking before washing rice for cooking
We first remove the paddy, husk, and stones from the mixture
This method is commonly used for separating slightly larger sized Impurities
Like the pieces of dirt stone and husk from wheat, rice, or pulses
Threshing: What is the first statement?
You must have seen bundles of wheat or paddy stocks lying in fields after harvest
Have you pondered how a farmer separates the grains from these stalks?
Once the wheat or paddy crop is harvested
The farmer ties the stalks together to form bundles
He then leaves the bundles to dry in the Sun
Threshing: What is the Second statement?
Once the stalks are completely dried the farmer beats them against a hard floor
Have you pondered how a farmer separates the grains from these stalks?
Once the wheat or paddy crop is harvested
The farmer ties the stalks together to form bundles
He then leaves the bundles to dry in the Sun
Threshing: What is the Third statement?
Once the stalks are completely dried the farmer beats them against a hard floor
To free the grains this process of separating grains from stalks is known as threshing
Once the wheat or paddy crop is harvested
The farmer ties the stalks together to form bundles
He then leaves the bundles to dry in the Sun
Threshing: What is the Fourth statement?
Once the stalks are completely dried the farmer beats them against a hard floor
To free the grains this process of separating grains from stalks is known as threshing
Bullocks, oxen, and machines known as threshers are also used for this purpose
The farmer ties the stalks together to form bundles
He then leaves the bundles to dry in the Sun
Threshing: What is the Fifth statement?
Once the stalks are completely dried the farmer beats them against a hard floor
To free the grains this process of separating grains from stalks is known as threshing
Bullocks, oxen, and machines known as threshers are also used for this purpose
The farmer ties the stalks together to form bundles
He then leaves the bundles to dry in the Sun
Threshing: What is the Sixth statement?
Once the stalks are completely dried the farmer beats them against a hard floor
To free the grains this process of separating grains from stalks is known as threshing
Bullocks, oxen, and machines known as threshers are also used for this purpose
The farmer ties the stalks together to form bundles
He then leaves the bundles to dry in the Sun
Threshing: What is the Seventh statement?
Once the stalks are completely dried the farmer beats them against a hard floor
To free the grains this process of separating grains from stalks is known as threshing
Bullocks, oxen, and machines known as threshers are also used for this purpose
The farmer ties the stalks together to form bundles
He then leaves the bundles to dry in the Sun
Threshing: What is the Eighth statement?
Once the stalks are completely dried the farmer beats them against a hard floor
To free the grains this process of separating grains from stalks is known as threshing
Bullocks, oxen, and machines known as threshers are also used for this purpose
The farmer ties the stalks together to form bundles
He then leaves the bundles to dry in the Sun
We separate sand from water by
Hand picking and Threshing
Sedimentation and Decantation
Sieving
Evaporation
Which method farmers use to separate grains from bundles of stalk?
Threshing
Sedimentation and Decantation
Sieving
Evaporation
Which method do you prefer for tea leaves from prepared tea?
Threshing
Filteration
Sieving
Evaporation
The filtration method is used to separate tea leaves from prepared tea. Which other method can be used?
Threshing
Filteration
Decantation
Evaporation
Study the process of sedimentation and loading. WHAT IS THE FIRST STATEMENT OF THE VIDEO CLIP?
Things required: Four glass tumblers, water, sand, clay, a glass or wooden rod, and some amount of alum
Procedure: Half-filled three glass tumblers with clear water, and mark them as A B and C
Add some sand to the water in the tumbler A and stir well with the help of a rod
Add some clay to the water in the thumbler B and C and stir them as well
Let all the three tumblers strand undisturbed for a few minutes
Study the process of sedimentation and loading. WHAT IS THE Second STATEMENT OF THE VIDEO CLIP?
You will observe that the particles of sand settled very quickly and the water in tumbler A becomes clear
Procedure: Half-filled three glass tumblers with clear water, and mark them as A B and C
Add some sand to the water in the tumbler A and stir well with the help of a rod
Add some clay to the water in the thumbler B and C and stir them as well
Let all the three tumblers strand undisturbed for a few minutes
Study the process of sedimentation and loading. WHAT IS THE Third STATEMENT OF THE VIDEO CLIP?
You will observe that the particles of sand settled very quickly and the water in tumbler A becomes clear
When the water in tumblers B and C still remains muddy
Add some sand to the water in the tumbler A and stir well with the help of a rod
Add some clay to the water in the thumbler B and C and stir them as well
Let all the three tumblers strand undisturbed for a few minutes
Study the process of sedimentation and loading. WHAT IS THE Fourth STATEMENT OF THE VIDEO CLIP?
You will observe that the particles of sand settled very quickly and the water in tumbler A becomes clear
When the water in tumblers B and C still remains muddy
Now take some clear water in the fourth glass tumbler
Add some clay to the water in the thumbler B and C and stir them as well
Let all the three tumblers strand undisturbed for a few minutes
Study the process of sedimentation and loading. WHAT IS THE Fifth STATEMENT OF THE VIDEO CLIP?
You will observe that the particles of sand settled very quickly and the water in tumbler A becomes clear
When the water in tumblers B and C still remains muddy
Now take some clear water in the fourth glass tumbler
Take a little amount of alum and dissolve it in the water taken in the fourth glass tumbler to prepare alum solution
Let all the three tumblers strand undisturbed for a few minutes
Study the process of sedimentation and loading. WHAT IS THE Sixth STATEMENT OF THE VIDEO CLIP?
You will observe that the particles of sand settled very quickly and the water in tumbler A becomes clear
When the water in tumblers B and C still remains muddy
Now take some clear water in the fourth glass tumbler
Take a little amount of alum and dissolve it in the water taken in the fourth glass tumbler to prepare alum solution
Stir in the glass tumblers once again with this glass rod
Study the process of sedimentation and loading. WHAT IS THE Seventh STATEMENT OF THE VIDEO CLIP?
Add some amount of alum solution to the water in tumbler C and stir it gently for a few seconds
When the water in tumblers B and C still remains muddy
Now take some clear water in the fourth glass tumbler
Take a little amount of alum and dissolve it in the water taken in the fourth glass tumbler to prepare alum solution
Stir in the glass tumblers once again with this glass rod
Study the process of sedimentation and loading. WHAT IS THE Eighth STATEMENT OF THE VIDEO CLIP?
Add some amount of alum solution to the water in tumbler C and stir it gently for a few seconds
Leave all the three tumblers
Now take some clear water in the fourth glass tumbler
Take a little amount of alum and dissolve it in the water taken in the fourth glass tumbler to prepare alum solution
Stir in the glass tumblers once again with this glass rod
Study the process of sedimentation and loading. WHAT IS THE Ninth STATEMENT OF THE VIDEO CLIP?
Add some amount of alum solution to the water in tumbler C and stir it gently for a few seconds
Leave all the three tumblers
Once again undisturbed for some time
Take a little amount of alum and dissolve it in the water taken in the fourth glass tumbler to prepare alum solution
Stir in the glass tumblers once again with this glass rod
Study the process of sedimentation and loading. WHAT IS THE Tenth STATEMENT OF THE VIDEO CLIP?
Add some amount of alum solution to the water in tumbler C and stir it gently for a few seconds
Leave all the three tumblers
Once again undisturbed for some time
On observing the tumbler after some time we find that in tumbler a sand particles are the first one to settle down at the bottom
Stir in the glass tumblers once again with this glass rod
Study the process of sedimentation and loading. WHAT IS THE Eleventh STATEMENT OF THE VIDEO CLIP?
Add some amount of alum solution to the water in tumbler C and stir it gently for a few seconds
Leave all the three tumblers
Once again undisturbed for some time
On observing the tumbler after some time we find that in tumbler a sand particles are the first one to settle down at the bottom
The clay particles in tumbler C becomes larger and start settling down faster than before
Study the process of sedimentation and loading. WHAT IS THE Twelfth STATEMENT OF THE VIDEO CLIP?
And the water layer in this tumbler also becomes clear
Leave all the three tumblers
Once again undisturbed for some time
On observing the tumbler after some time we find that in tumbler a sand particles are the first one to settle down at the bottom
The clay particles in tumbler C becomes larger and start settling down faster than before
Study the process of sedimentation and loading. WHAT IS THE Thirteenth STATEMENT OF THE VIDEO CLIP?
And the water layer in this tumbler also becomes clear
However in the tumbler B, the clay particles do not settle and the water is still muddy
Once again undisturbed for some time
On observing the tumbler after some time we find that in tumbler a sand particles are the first one to settle down at the bottom
The clay particles in tumbler C becomes larger and start settling down faster than before
Study the process of sedimentation and loading. WHAT IS THE Fourteenth STATEMENT OF THE VIDEO CLIP?
And the water layer in this tumbler also becomes clear
However in the tumbler B, the clay particles do not settle and the water is still muddy
This activity shows that sand particles in the mixture of water settle down earlier that's making water layer clear
On observing the tumbler after some time we find that in tumbler a sand particles are the first one to settle down at the bottom
The clay particles in tumbler C becomes larger and start settling down faster than before
Study the process of sedimentation and loading. WHAT IS THE Fifteenth STATEMENT OF THE VIDEO CLIP?
And the water layer in this tumbler also becomes clear
However in the tumbler B, the clay particles do not settle and the water is still muddy
This activity shows that sand particles in the mixture of water settle down earlier that's making water layer clear
On adding alum to the mixture of clay and water the process of sedimentation is accelerated
The clay particles in tumbler C becomes larger and start settling down faster than before
Study the process of sedimentation and loading. WHAT IS THE Sixteenth STATEMENT OF THE VIDEO CLIP?
And the water layer in this tumbler also becomes clear
However in the tumbler B, the clay particles do not settle and the water is still muddy
This activity shows that sand particles in the mixture of water settle down earlier that's making water layer clear
On adding alum to the mixture of clay and water the process of sedimentation is accelerated
The clay particles in tumbler C becomes larger and start settling down faster than before
Study the process of sedimentation and loading. WHAT IS THE Seventeenth STATEMENT OF THE VIDEO CLIP?
And the water layer in this tumbler also becomes clear
However in the tumbler B, the clay particles do not settle and the water is still muddy
This activity shows that sand particles in the mixture of water settle down earlier that's making water layer clear
On adding alum to the mixture of clay and water the process of sedimentation is accelerated
The clay particles in tumbler C becomes larger and start settling down faster than before
Study the process of sedimentation and loading. WHAT IS THE Eighteenth STATEMENT OF THE VIDEO CLIP?
And the water layer in this tumbler also becomes clear
However in the tumbler B, the clay particles do not settle and the water is still muddy
This activity shows that sand particles in the mixture of water settle down earlier that's making water layer clear
On adding alum to the mixture of clay and water the process of sedimentation is accelerated
The clay particles in tumbler C becomes larger and start settling down faster than before
Study the process of sedimentation and loading. WHAT IS THE Nineteenth STATEMENT OF THE VIDEO CLIP?
And the water layer in this tumbler also becomes clear
However in the tumbler B, the clay particles do not settle and the water is still muddy
This activity shows that sand particles in the mixture of water settle down earlier that's making water layer clear
On adding alum to the mixture of clay and water the process of sedimentation is accelerated
The clay particles in tumbler C becomes larger and start settling down faster than before
