WorksheetsAir and the Environment
Total questions: 12
Worksheet time: 6mins
Which of the following is not present in a sample of clean, dry air?
carbon dioxide
argon
nitrogen
water vapour
Which of the following is a natural source of oxides of nitrogen?
lightning activity
car engines and chemical factories
volcanic eruption
combustion of fossil fuels
Which of the following gases do not contribute to the formation of acid rain?
sulfur dioxide
carbon dioxide
nitrogen monoxide
nitrogen dioxide
What is the approximate volume of oxygen in a 200 cm3 sample of dry air?
80 cm3
20 cm3
40 cm3
160 cm3
Which noble gas is the most abundant in Earth's atmosphere?
helium
argon
krypton
xenon
Which of the following statements about separation of air into its component gases is incorrect?
fractional distillation of air separates air into its component gases according to their melting points
cooling and compressing of air turns it into a liquid which then undergoes fractional distillation
the component of air with the lowest boiling point is distilled and collected first
nitrogen (b. p. -196 oC) is collected before oxygen (b. p. -183 oC) during the fractional distillation of air
Which of the following is not an effect of carbon monoxide on human health?
reacts with haemoglobin to form carboxyhaemoglobin which reduces the ability of blood to transport oxygen
headaches, fatigue, breathing difficulties
death in extreme cases
irritates the eyes and lungs
Fill in the blanks to complete the definition of acid rain.
Acid rain is formed when _________ air pollutants react with _________ in the atmosphere.
neutral; water
toxic; oxygen
acidic; water
gaseous; acid
Which word equation correctly shows the reaction of sulfur dioxide during the formation of acid rain?
sulfur dioxide + water → sulfuric acid
sulfur dioxide + water → sulfurous acid
sulfur dioxide + water → sulfur acid
sulfur dioxide + water → sulfate acid
Which gas is responsible for unpolluted rainwater being having a pH below 7?
oxygen
nitrogen
carbon dioxide
argon
The table above shows the relative percentage of air pollutants found in four different towns. Which town would have the highest amount of damage to their infrastructure?
A
B
C
D
Which is not a pollutant found in the atmosphere?
hydrogen
methane
ozone
unburnt hydrocarbons
