true or false

8. Sieving ntial in building or separating rooks on sard can be separated which is astructure and houses.
9. The use of magrel is useful in miring iron and in many process ustries to remove tal contaminants from product streams.
10. Separding mixtures renove unwanted materials thus making se materials available utilizing them for different purposes. actions: Draw one process of separaling mixtures and explain the ses importance of this process in our daily lives.​