Choose the correct answer:
1. Fathima put a puzzle to solve for her friends. Help them to solve Fathima’s puzzle.“X is a heterogeneous mixture. X shows the path of the light that passes through it. X is bulk. What is X?”
2.It was a chemistry class followed by a PET period. The teacher chose four pupils at random and asked them to each find an unusual usage of centrifugation. The teacher will let them play if they answer correctly. Three of them were correct in their answers. Tell us which of the following is incorrect about centrifugation if you were the fourth.