Which of the following mixtures can be separated by winnowing?
(i) Dry sand and sawdust
(ii) Potato and rice
(iii) Grain and husk
(iv) Iron filings and sand
A(i) and (iv)
B(iii) and (iv)
C(i) and (iii)
D(ii) and (iv)
nice
Ans 4:
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Class : Class 7
pl answer i think the answer will be(i),(iii) and (iv).please check and tel me if im correct
Ans 6:
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Class : Class 7
The answer is (i) and (iii) because iron filling can be separated by using magnetic separation