Revision for OCR Gateway (Unit C1) fuels & combustion
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the scientific term for burning? | Combustion
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| Which gas is essential for combustion? | Oxygen
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| What is the percentage of oxygen in the atmosphere? | 21%
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| What is the percentage of carbon dioxide in the atmosphere? | 0.035%
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| What is the definition of a hydrocarbon? | A compound containing ONLY hydrogen and carbon
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| What colour is the bunsen burner flame when the air hole is open, letting in plenty of oxygen? | Blue
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| What colour is the bunsen burner flame when the air hole is closed, not letting in much oxygen? | Yellow
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| What is the name of the poisonous gas produced when incomplete combustion takes place? | Carbon monoxide
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| What sort of health problem can be caused when some fossil fuels burn releasing sulphur dioxide? | Asthma
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| What is the name of the device fitted to car exhausts to reduce pollution from carbon monoxide and nitrogen oxides? | Catalytic converter
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
heb
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