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SEBA Class 6 General Science Chapter 6 Solution in English Medium 2026 |Separation of Substances | Class 6 General Science Book Chapter 6 Answer

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SEBA Class 6 General Science Chapter 6 Solution in English Medium 2026 |Separation of Substances | Class 6 General Science Book Chapter 6 Answer

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&nbsp;Chapter 6

Separation of Substances&nbsp;

1. Complete the circle of pure answers:

(i) Can the summons be separated into any mixed hands?

Answer:&nbsp;(c) Rice and Silguti

(ii) Which method should I use for day or month washing?

Answer:&nbsp;(d) Filtration

(iii) Suitable methods for separation of loam and coal dust are—

Answer:&nbsp;(c) Magnetic separation

(iv) By which of the following methods are teas separated?

Answer:&nbsp;(d) Filtration

2. Meetings to be given below –

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Column A (word)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Column B (match)

(a) panit thaka boka&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (ii) jara or 'left' dia

(b) Filtration of waste water&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (iv) Filtration

(c) High speed mixer (v) Kneading

(d) Groundnut oil and water&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (vi) Ajavan

(e) Sand and silt powder&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(i) Magnetic separation

(f) Salt dissolved in water&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(vii) Evaporation

(g) Chaulat Thaka Tuh&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(iii) Segregation of Phases

3. Fill in the blanks:

(a) After the response, the lobes are separated.&nbsp;

Answer:&nbsp;&nbsp; Magnetic separation

(b) Two Mihli Noho Julia Dravya ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- systems methods models models are used.&nbsp;

Answer:&nbsp;&nbsp;Filtration&nbsp;

(c) Flour and dough can be separated by ---------- method.

Answer:&nbsp;&nbsp;Sieve

(d) --------------------------------------------

Answer:&nbsp;&nbsp;Root or left

(e) During sand-water mixing or separation, the water particles slip past the pores of the filter paper because water particles -------------- and ------------- sand particles --------------.

Answer:&nbsp;&nbsp;thin, dissolved,

4. Answer the following questions:

(a) Into what is a mixture of lime and sand separated?

Answer:&nbsp;When the mixture gets water, the nimkh dissolves and the sand settles to the bottom. After that, filter the water to separate the sand and then evaporate the oil.

(b) This method is advanced for the separation of mixtures of coconut oil and water.

Answer:&nbsp;These two have different densities. It can be separated using filtration method.

(c) Is Nimkh separate from Nimkh water?

Answer:&nbsp;Nimkh dissolves in water, so when water is removed by evaporation method, nimkh separates.

5. Can the elements of the mixture below be separated on the basis of religion?

(a) Nimkh and Chakar Gudi – Nimkh dissolves in water, Chakar Gudi does not.

(b) Paddy and kheb – Kheb is light, paddy is heavy, seye zara or ban dia.

(c) Chalk and coal – variation in size or density.

(d) Lumps and wood chips – Lump attracts magnets, not wood.

(e) Sand and rice – variation in size; Sieves can be separated.

6. After sea water is Nimkh extracted?

Answer: Sea water evaporates when it reaches flat land. The remaining moisture is dried and collected — this is called systematic evaporation.

7. What is the appropriate method of separating the components after mixing?

Ans:&nbsp;Determined according to the physical properties of the material (eg: size, density, magnetism, solubility, viscosity, etc.).

8. Procedures to be followed to obtain potable water after drinking water from rivers:

Answer:&nbsp;&nbsp;Sedimentation

&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;Filtration

&nbsp;&nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Centrifugation

&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;Decantation

9. Explain the flow process with suitable diagram (note):

Answer:&nbsp;After filtration, the mixture is now transferred onto a filter paper or other porous material. The material that is fine or has fine particles is left behind (filtrate). And the particles of dung of the tongue, it is above (barrier).

(Add image - filter paper, beaker, funnel first)

10. Following Lesson Activity 6.2, suitable separation methods for possible mixtures are:

Mixed separation method

Sand and water&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; seepage

Nimkh and water&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;evaporation

Oil and water&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; filtration

I eat rice and carrots

Rice and silguti&nbsp; &nbsp;are saved by hand

Coal and Low&nbsp; &nbsp; &nbsp; Magnetic Separation

Additional Questions and Answers:

Q1. Why should we separate the mixed?

Answer:&nbsp;&nbsp;Some are not suitable for mixed use or separate use of ingredients is required.

Q2. What are the ingredients labeled for liquid purchases?

Answer:&nbsp;&nbsp;A mixture of solutes and solids is separated so that the solids are not leached.

Q3. What is Mathan used for?

Answer:&nbsp;&nbsp;The higher the velocity of rotation of the material, the more dense the material is.

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