Question

hlw guys ❤️
pls answer these.......



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best answers will be marked brainliest ​

Answer 1

Answer:

1) oxygen

2) burn are called combustible substances. For example: Paper, cloth, cooking gas (LPG), CNG, Kerosene oil, wood, charcoal, etc.

3)Carbon dioxide

4) combustion

5)visible

6)Carbon dioxide

7)Carbon dioxide

8)ignition

9)gets  ,  ignition

10)acid rain

11)Monoammonium phosphate

12)Kj

13)CNG

14)rapid combustion

15) (middle) luminous zone

Q)Calorific value = heat produced / weight of fuel used in Kgs

                             =105000/7.5

                              =14000          

Answer 2

Answer:

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