Combustion and Flame
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Check
Across:
1.
Amount of energy produced on complete combustion of 1kg of a fuel.
3.
Innermost zone in candle flame, consists of hot vapours.
5.
Oxides of sulphur and nitrogen produced by burning of combustible substances added with water.
6.
When combustible substances vapourises during burning.
Down:
2.
The substance which catch fire.
4.
Partial combustion occurs here.
OK