Question

a percentage of total income spent under various heads by a family is given below;

-difference heads: % of total number

-food: 40%

-clothes: 10%

-health:10%

-education:15%

-houserent:20%

-music:10%

represent the various data in a form of a barchart or graph.

Answer 1

Answer:

IL FI in the blanks by choosing words from the list given below:

List : Polyvinyl chloride, monomer, viscose, silk, teflon

1. When a

fibre is burnt, the residue swells up to form black ash.

2 The simpleet molecular

10.

11ANSWER

(i) The monomer of polyvinyl chloride is CH

2

=CHCl (vinyl chloride).

(ii) The monomer of teflon is CF

2

=CF

2

(tetrafluoroethylene).

(iii) The monomers involved in the formation of bakelite are HCHO (formaldehyde) and C

6

H

5

OH (phenol).

Answer 2

Answer:

percentage of government work.