What do we call the removal of oxygen in a chemical compound?
Reduction
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What is wrong with iron straight from a blast furnace?
It only contains 96% iron and 4% impurities, mainly carbon, so it is very brittle.
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what is cast iron?
molten iron that can be shaped easily.
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what is crude oil?
a mixture of different fractions .
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how is carbon monoxide produced?
from combustion in a lack of oxygen, incomplete combustion.
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how is nitrogen oxide produced in a car?
High temperatures in the engine react nitrogen and oxygen together.
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How do convection currents take place in the mantle?
radioactive decay, producing a lot of energy heats up molten minerals in the mantle which expand and rise towards the surface. colder material sinks to take their place
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why can't we predict earthquakes?
because scientists can't monitor the activity in the mantle and tectonic plates can collide at any moment.
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Other cards in this set
Card 2
Front
What is wrong with iron straight from a blast furnace?
Back
It only contains 96% iron and 4% impurities, mainly carbon, so it is very brittle.
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