Choose the correct statement.
1) Handpicking method can be used for the separation of two powdered solid substances.
2) Sieving is a mechanical technique used to separate solid from solid mixture.

The correct option is B 2 is correct.
Handpicking method can be used for the separation of solid-solid mixture where the particle size is larger.
Sieving is a technique of separating a solid-solid mixture where the particle size is larger with the help of a mesh.