Question

A. Match the following.
Column A
1. Acid rain
2. Supporter of combustion
3. CO2
4. Inflammable substance
5. Combustible substance
6. Non-combustible substance

Column B
a) CO2
b) Global warming
c) Iron nails
d) Matchsticks
e) Petrol
f) o​

Answer 1

1. :- a

2. :- d

3. :- b

4. :- c

5. :- e

6. :- f

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Answer 2

Explanation:                            

column A                                    answers column B

1. acid rain                             -                 Co2        

2. supporter of combustion  -               o

3. Co2                                     -              global warming

4. Inflammable substance   -               petrol

5. combustible substance  -               matchsticks

6. non- combustible sub.    -               iron  nails