Observe the methods of separation in the given figures(i) and (ii) and select the correct statement(s).
I. Method (i) can be used to separate butter from milk.
II. Method (ii) can be used to separate petrol and water mixture and petrol forms the upper layer.
III. Method (ii) can be used to separate glycerine and water mixture and glycerine forms the upper layer.
IV. Method (i) can be used to separate grains from stalks.
A(II) only
B(I) and (III) only
C(II) and (III) only
D(II), (III) and (IV) only
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