Chemistry 0620 · IGCSE · Extraction of metals

Extraction of metals — practice question

This question concerns metals.
(a(i))[1]

Coke and iron ore are fed into the top of the blast furnace. Name one additional substance that is also added at the top of the blast furnace.

(a(ii))[1]

Name the material that exits the blast furnace at A.

(a(iii))[1]

Name one substance that acts to reduce iron(III) oxide to iron in the blast furnace.

(a(iv))[1]

Name two substances that combine in the blast furnace to produce this high temperature.

(a(v))[2]

Name two waste gases that are released from the blast furnace.

(b(i))[1]

Name the principal zinc compound found in zinc blende.

(b(ii))[1]

State what this physical change is called.

(c)[1]

Name the alloy made up of zinc and copper only.

(d(i))[2]

Give two properties from the list that make copper different from Group I elements.

(d(ii))[2]

Give two properties from the list that copper shares with Group I elements.

Worked solution & mark scheme

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