Question

Most materials which occur in nature are
pure compounds
pure elements
none of these
The process of selling down of the particles of an insoluble solid m aliquid is called
a) decantation
sedimentation
Winnowing
The property which forms the basis of wirowing is
difference in size
A solid substance is dissolved in water. Which of the following methods is used to
distillation
Which of the following has fibrous roots?
Which modified part of a plant sweet potato is?
sen​

Answer 1

Answer:

none of these

winnowing

Answer 2

Explanation:

1. pure compounds
2. Sedimentation
3. onions, potatoes
4. fibrous root