Catalytic converters are usually made up of three elements and are fitted into car exhausts to reduce the effect of pollutants.
Which group of elements would most likely be used?
Alkali Metals
Halogens
Transition metals
Noble gases
Did this page help you?
Pollutants released from burning fuels can negatively affect health and the environment.
Which of the following is not the correct effect for the given pollutant?
| Pollutant | Effect | |
| A | carbon dioxide | global warming |
| B | sulfur dioxide | acid rain |
| C | oxides of nitrogen | respiratory problems |
| D | particulates | poisonous |
Did this page help you?
Limestone is eroded by acid rain.
Which substance falls as acid rain?
SO2
HCl
H2SO4
NO2
Did this page help you?
Incomplete combustion occurs when there is insufficient oxygen for a reaction.
Which are the two main substances formed during incomplete combustion, aside from water?
Particulates and carbon monoxide
Soot and sulfur dioxide
Carbon dioxide and carbon monoxide
Oxides of nitrogen and sulfur dioxide
Did this page help you?
Cars running on fossil fuels contribute a high amount of pollutants into the atmosphere, one of which is carbon dioxide.
Which other gas is produced by the internal combustion engine in a car?
Ammonia
Argon
Oxides of nitrogen
Nitrogen
Did this page help you?