Class 6 Science - Chapter Separation of Substances NCERT Solutions | Fill up the blanks (a) The method of se
Fill up the blanks
(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 ___________.
(a) Threshing
Threshing is the method of separation which is used to separate the grains from the stalk of the plant. In this method, stalks are beaten on the hard surface like drum or it can also be done by machines.
(b) Filtration
Filtration is the method of separation which is used to separate pure solution from the impure ones or from the larger particles.
(c) Evaporation
It is the process in which water evaporates from the sea water or we can say water converts into vapours.
(d) Decantation
Decantation is the method of separating two immiscible components from each other.
More Questions From Class 6 Science - Chapter Separation of Substances
- Q:-
True or false?
(a) A mixture of milk and water can be separated by filtration.
(b) A mixture of powdered salt and sugar can be separated by the process of winnowing. (c) Separation of sugar from tea can be done with filtration.
(d) Grain and husk can be separated with the process of decantation. - Q:-
Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?
- Q:-
Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving
sugar? In which case would it be possible to dissolve more sugar? - Q:-
How will you separate sand and water from their mixture?
- Q:-
How would you obtain clear water from a sample of muddy water?
- Q:-
What is sieving? Where is it used?
- Q:-
How will you separate husk or dirt particles from a given sample of pulses before cooking.
- Q:-
What is winnowing? Where is it used?
- Q:-
Why do we need to separate different components of a mixture? Give two examples.
Popular Questions of Class 6 Science
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(a) Which kind of garbage is not converted into compost by the redworms?
(b) Have you seen any other organism besides redworms, in your pit? If yes, try to find out their names. Draw pictures of these. - Q:-
Rearrange the boxes given below to make a sentence that helps us understand opaque objects.
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To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
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Name the major nutrients in our food.
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Classify the following fibres as natural or synthetic:
nylon, wool, cotton, silk, polyester, jute - Q:-
Name five objects which can be made from wood.
- Q:-
Correct the following statements and rewrite them in your notebook.
(a) Stem absorbs water and minerals from the soil.
(b) Leaves hold the plant upright.
(c) Roots conduct water to the leaves.
(d) The number of petals and sepals in a flower is always equal.
(e) If the sepals of a flower are joined together, its petals are also joined together.
(f) If the petals of a flower are joined together, then the pistil is joined to the petal. - Q:-
Fill in the blanks:
(a) Joints of the bones help in the ——————— of the body.
(b) A combination of bones and cartilages forms the _______ of the body.
(c) The bones at the elbow are joined by a ______________________ joint.
(d) The contraction of the _____________ pulls the bones during movement. - Q:-
What is a habitat?
Recently Viewed Questions of Class 6 Science
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While measuring the length of a knitting needle, the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle?
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Which of the things in the following list are nonliving?
Plough, Mushroom, Sewing machine, Radio, Boat, Water hyacinth, Earthworm - Q:-
Name five objects which can be made from wood.
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List five activities that are possible due to the presence of air.
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The component of air used by green plants to make their food, is ___________.
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The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Can you explain why?
- Q:-
A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in Column I. Possible reasons for the observed affects are mentioned in Column II. Match the statements given in Column I with those in Column II.
Column I Column II
Boat gets attracted towards the magnet Boat is fitted with a magnet with north pole towards its head
Boat is not affected by the magnet Boat is fitted with a magnet with south pole towards its head
Boat moves towards the magnet if north Boat has a small magnet fixed along its length
pole of the magnet is brought near its
headBoat moves away from the magnet Boat is made of magnetic material when north pole is brought near its head
Boat floats without changing its direction Boat is made up non-magnetic material
- Q:-
When does a drought occur?
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