Question

(b) to obtain useful components
1. Thir
3. We need to separate a mixture
(a) to remove harmful components
(c) to remove undesirable components
1.1
0 (d) All of these
4. Pure substance is made of:
2.
(b) two types of molecules
(a) one type of molecules
(c) three types of molecules
(d) none of these​

Answer 1

Answer:1. [d] all of these 2. [a] one type of molecule

Explanation:

okay i will give you a suggestion from next day try to type every question step by step....