Chemistry 8462: Chemistry of the Atmosphere Topical Past Paper Questions

This question is about burning fuels in central heating boilers. In the future, gas central heating boilers may burn hydrogen rather than natural gas. Table 2 shows information about these fuels when $ 1 \, dm^{3} $ of the fuel is burned in a central heating boiler. Table 2 1 Exp…

This question is about greenhouse gases and climate change. Carbon dioxide and methane are greenhouse gases. 1 Which of the following is also a greenhouse gas? Tick (✓) one box. [1 mark] In the past 50 years, there has been an increase in: • the world population - the concentrati…

This question is about the chemistry of the Earth's atmosphere. Figure 3 shows how the percentages of gases in the Earth's atmosphere may have changed since the atmosphere was formed. Figure 3 1 Explain the change in the percentage of gas in the region labelled A on Figure 3. [2…