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Q.

Match the mixture in column I with their separation methods in column II.


Matrix:


 

  Column I

 

    Column II

(a)

Oil mixed in water

(i)

Sieving

(b)

Iron powdered mixed with

   flour

(ii)

Hand-picking

(c)

Salt mixed with water

(iii)

decantation

(d)

Lady’s finger mixed with

 French beans

(iv)

magnet

(e)

Rice flour mixed with

  Kidney beans

(v)

evaporation


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a

 a-iii; b-iv; c-v; d-ii; e-i

b

 a-i; b-ii; c-v; d-iv; e-iii

c

 a-ii; b-i; c-iii; d-iv; e-v

d

 a-i; b-ii; c-iii; d-iv; e-v 

answer is A.

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Detailed Solution

Sieving is separating smaller particles like pieces of stone or husk from flour. Therefore, rice flour can be separated from kidney beans by sieving. The hand-picking method separates larger particles that can be easily picked up by hand; therefore, a lady’s fingers can be separated from French beans. Decantation is separating the upper layer carefully from the lower layer, just like water and oil. Magnet is used to separate magnetic materials like iron filings from flour. Salt can be easily separated from water by evaporating water. Evaporation is the process of conversion of liquid to gas on heating.
 
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