Can winnowing be used to separate components of a mixture having the same weight?

Q. A mixture of potato wafers and biscuits can be separated by using winnowing.

Q. A solid-solid mixture is made up of components which differ by weight. Which amongst the following method can be used to separate the components of the mixture?

Q. Consider the table below:
$$\begin{array}{ccc}\text{Mixture}& \text{Component 1}& \text{Component 2}\\ \text{X}& \text{Chalk Powder}& \text{Water}\\ \text{Y}& \text{Flour}& \text{Husk}\end{array}$$ Which of the following methods can be used to separate the components of mixture X and Y?

Q.

The properties used to separate two solids from a mixture by winnowing is ______

Q.

Threshing can be used to separate non-desired components from a mixture if they are: