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WorksheetsChemical Changes 101 Quiz (LS)
Total questions: 15
Worksheet time: 10mins
when living things die and are broken down
photosynthesis
respiration
decomposition
thermal decomposition
when an acid is added to an alkali
neutralisation
decomposition
acid rain
electrolysis
when food is broken down in the body
decomposition
respiration
absorption
digestion
when air pollutants like sulphur dioxide combine with water vapour in the air
air pollution
acid rain
neutralisation
water pollution
introduction of harmful and poisonous substances into the air
neutralisation
air pollution
rusting
combustion
a process in living organisms involving the production of energy with the intake of oxygen and the release of carbon dioxide
combustion
decomposition
respiration
exasperation
burning of sugar using fire (heat)
neutralisation
thermal decomposition
electrolysis
respiration
burning of carbon in oxygen to become carbon monoxide
rusting
neutralisation
complete combustion
incomplete combustion
components of acid rain (more than 1 answer)
sulphur dioxide
nitrogen oxides
carbon monoxide
iron oxide
Incomplete Combustion of carbon produces ...
carbon dioxide
carbon monoxide
carbon trioxide
carbonates
Complete Combustion of carbon produces …
carbonates
carbon dioxide
carbon monoxide
carbon trioxide
