III. ANSWER THE FOLLOWING:
4X4= 16
16. Give the salient features of modern atomic theory.
17. Derive their relationship between Relative molecular mass and
vapour density
18. Write the features of groups in periodic table.
19. Explain the types of separation or concentration of an ore.
Answers
Answered by
4
all these answers are in book....
the above ans is 18th ....
Attachments:
Similar questions