Question

Is mill a pure substance? Justify.
2 How do we get milk from cream?
3. How do we check purity of solids?
4. Why air is a mature not a compound?
5. Is common salt a mixture or compound?
6. How will be the boiling point of sea water and of water at hill station & give
reason
7. List the differences between homogeneous and heterogeneous mixtures
8. In what aspects a mixture is different from a compound?
9. What are metalloids? give 2 example.
10 Name the technique used to separate
a) Butter from curd
b) Salt from sea water
c) Camphor from salt
11. How would you separate water from mustard oil?
12. How can you convert a saturated solution into an unsaturated solution?
13. Give an example each of
a) Aerosol b) Sol
c) Solution
14. Which one of the following will exhibit the Tyndall effect?
a) (Salt Solution, Milk, Copper II Sulphate solution, Starch solution)​

Answer 1

Answer:

answer of 2 question is centralization