The newest 6 of 6 written questions. Open one to see it on the real paper.
The combustion of methane reduces the amount of methane but increases the amount of carbon dioxide in the atmosphere. Describe one other strategy to reduce the amount of methane being released into the atmosphere.
See it on the paper →Methane is produced by the decomposition of vegetation. State one other source of methane. Tick (“) one box. complete combustion of carbon-containing fuels reaction of an alkene with steam reaction of an alkene with hydrogen waste gases from digestion in animals
See it on the paper →Higher levels of carbon dioxide in the atmosphere cause climate change. State and explain one strategy which will reduce the effects of climate change. strategy explanation
See it on the paper →Used in the treatment of acidic soil.
See it on the paper →Acid rain reacts slowly with limestone. Suggest one reason for this slow rate of reaction.
See it on the paper →Suggest a pH value of rainwater.
See it on the paper →Few candidates suggested that the acid rain is dilute or at a low temperature.
— Examiner report, February/March 2024, 0654/32 Q5(d)(i) (Cambridge)
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