SC20d Complete and Incomplete Combustion

Question 1

combustion?

Answer 1

chemical reaction in which a compound reacts with oxygen​

Question 2

complete combustion?

Answer 2

combustion of hydrocarbons with enough oxygen present to convert all the fuel into carbon dioxide and water

Question 3

test for water?

Answer 3

blue cobalt chloride paper goes pink

Question 4

test for carbon dioxide?

Answer 4

limewater goes cloudy

Question 5

incomplete combustion?

Answer 5

when a substance reacts only partially with oxygen

Question 6

incomplete combustion for:
methane + oxygen →

Answer 6

carbon monoxide + water
or carbon + water

Question 7

complete combustion for:
methane + water →

Answer 7

carbon dioxide + water

Question 8

what type of poison is carbon monoxide?

Answer 8

respiratory poison - toxic

Question 9

carbon monoxide vs human senses

Answer 9

~invisible
~soundless
~odourless

Question 10

what does carbon monoxide do in the body?

Answer 10

binds with the haemoglobin in red blood cells stopping oxygen from being absorbed

Question 11

example of incomplete combustion in appliances

Answer 11

boiler - carbon produced from incomplete combustion blocks jets and makes burning of gas inefficient