Lesson 4.9.1.4
4.9.1.4 How carbon dioxide decreased Quiz: AQA Chemistry, Unit 9
20 questions
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Lesson 4.9.1.4, How carbon dioxide decreased: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 9: Chemistry of the atmosphere, written with Revision Ninja.
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The 20 questions
-
How do algae and plants decrease the percentage of carbon dioxide in the atmosphere?
- By combustion
- By photosynthesis
- By respiration only
- By volcanic eruption
-
What is formed when carbon dioxide is removed as sedimentary rocks and fossil fuels?
- Reactive salts
- Metal-rich ores
- Carbon-containing deposits
- Silicate minerals
-
Which of these is a fossil fuel?
- Limestone
- Clay
- Natural gas
- Basalt
-
Which sedimentary deposit is listed as removing carbon from the air?
- Limestone
- Pumice
- Obsidian
- Quartz
-
How many processes does the specification give for reducing atmospheric carbon dioxide?
- Three
- Four
- Two
- One
-
What would happen to the removal of carbon dioxide if forest plants were removed?
- Unaffected entirely
- Removed more slowly
- Removed more quickly
- Stopped completely instantly
-
Which process formed coal from buried plant remains over millions of years?
- Acid rain erosion
- Volcanic eruption
- Sediment burial
- Photosynthesis breakdown
-
Which major biological process decreased atmospheric carbon dioxide on early Earth?
- Combustion
- Respiration
- Transpiration
- Photosynthesis
-
Which fossil fuel is formed from the remains of plankton trapped in sedimentary rocks?
- Granite
- Limestone
- Coal
- Crude oil
-
Which natural process links coal formation to removing carbon dioxide from air?
- Transpiration
- Respiration
- Photosynthesis
- Combustion
-
Which change would most directly increase the rate of photosynthesis?
- More volcanic activity
- More green plants
- More fossil fuels
- More factory smoke
-
Which gas significantly increased in Earth's early atmosphere due to the evolution of plants?
- Ammonia
- Methane
- Oxygen
- Nitrogen
-
Which element is locked up in limestone and fossil fuel deposits?
- Carbon
- Hydrogen
- Chlorine
- Sulfur
-
Which deposit is a liquid found underground?
- Limestone
- Crude oil
- Coal
- Natural gas
-
Which organisms primarily decreased early atmospheric carbon dioxide?
- Insects and fish
- Bacteria and viruses
- Algae and plants
- Animals and fungi
-
What long-term effect did sedimentary rocks and fossil fuels have on the air?
- Removed nitrogen gas
- Added water vapour
- Added carbon dioxide
- Removed carbon dioxide
-
Limestone formed from carbonates in ancient oceans. Which gas was removed from the air in its formation?
- Hydrogen
- Carbon dioxide
- Oxygen
- Methane
-
Which process formed sedimentary rocks like limestone from ocean sediments?
- Evaporation of water
- Precipitation of carbonates
- Sublimation of oxides
- Melting of silicates
-
Which deposit is a solid fuel formed from carbon-rich remains?
- Coal
- Water
- Natural gas
- Crude oil
-
What common chemical element is stored in limestone, coal, crude oil and natural gas?
- Hydrogen
- Carbon
- Sulfur
- Nitrogen
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