Question

Q 3. True or false:.

1. Teflon is used in coating the uniform of firemen.
2. When metals react with acids, CO2 is produced.
3. Bitumen is used for road surfacing.
4. Increasing level of NO2 leads to the global warming.
5. Kg/KJ is unit of calorific value.
6. Combustible substances are also called as fuels. ​

Answer 1

Answer:

1 True

2 true

3 true

4 false

5 true

6 fase

Answer 2

Answer:

1= true

2=true

3= true

4= true

5= false

6= true