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Explain how coal is useful in the production of iron and aluminium.
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What do you use to generate enough heat to melt either metal?
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A sample of aluminium has a mass of 6.3g, calculate 1.the number of mole of aluminium present.2.the number of atoms of aluminium
Natural Resources Unit Test
Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a
Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?(1 point)
Responses
Miners can extract coal at Earth's surface or underground.
Which type of coal mining is likely to be more dangerous to workers?
Which of the following resources have been the main contributors to Russia’s wealth in recent years?(1 point)
Responses coal
Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?(1 point)
Responses
Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?(1 point)
No, coal is
Although aluminium is higher than iron in the reactivity series,aluminium utensils do not corrode as easily as iron
in the reaction of aluminium and iron (III) oxide to form iron and aluminium oxide, H-850 kJ. how many grams of aluminium oxide
1)Explain why aluminium chloride fumes in damp air
2)Aluminium metal is a good conductor and is used for overhead cabled.State