Login
Login
Login
Register

Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

How Carbon Dioxide Decreased (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'How Carbon Dioxide Decreased' from the broader topic Chemistry Of The Atmosphere. The test is geared towards the AQA exam board style syllabus.
Start Test
Incorrect: 0
Correct: 0
Question 1
...
Congratulations - you have completed the test!
Your final score was

Below a typical questions that will be covered in this test. You final score will be logged on your account

Which human activity today reverses the ancient processes that reduced atmospheric CO2 (thus increasing CO2 instead)?
Which of the following best summarizes how carbon dioxide decreased from the early atmosphere to levels closer to today’s?
Which environmental change would increase the ocean’s capacity to absorb and store CO2 (all else equal)?
Which role did cyanobacteria and early algae play in the long-term decrease of atmospheric CO2?
Which observation would best indicate that less CO2 is being added to the atmosphere than removed by natural sinks over many years?
Which effect on seawater is caused by increased atmospheric CO2 dissolving into the oceans?
Which chemical formula represents calcium carbonate, the main mineral in limestone that stores carbon?
Which balanced equation shows how plants remove carbon dioxide from the atmosphere during photosynthesis?
Which simple balanced equation represents the formation of calcium carbonate from dissolved CO2 and dissolved calcium?
Which action would increase the long-term geological removal of atmospheric CO2?
Which of the following best explains how the burial of organic carbon reduces atmospheric CO2 over geological time?