QUE 3):- State true or false.
1. In rapid combustion both heat and light released.
2. The nonluminious zone is thin and blue in colour.
3. Coal gas is obtained from mines.
4. Oxygen in air is exhaustible natural resources.
5. Air is necessary for combustion.
6. Carbondioxide is an excellent fire extinguisher.
7. Another name of terylene is rayon.
8. Polyster are attacked by moulds and moth.
Answers
Answered by
1
Explanation:
Sorry can't answer correctly
Answered by
2
Answer:
1.true
2.true
3.true not sure
4.false
5.true
6.true
7.false
8.false not sure
hope it helped you
Similar questions