Question

2.
What method(s) of separation would you use to separate the following substances?
a) Sand and iron filings
b) Sand, water, and salt
c) Sawdust and sand
d) Five-rupee and two-rupee coins
e) Peanuts and beans
f) Water and salt
Wheat grains and straw pieces
h) Water and mud​

Answer 1

Explanation:

a. magnetic separation : This method is used when one of the components is magnetic. One of the components of the mixture is a magnetic substance (iron, cobalt; nickel and steel or their oxides are magnetic in nature).

b. decantation and evaporation

c. sand can be separated by sedimentation and decantation. saw dust can be separated by filtration.

d. handpicking