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  1. Problems
  2. /Metals and Non-metals
  3. /Ionic Compounds and Extraction of Metals

Ionic Compounds and Extraction of Metals

Chemistry
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More in Metals and Non-metalsProperties of Metals and Non-metalsReactions and the Reactivity SeriesIonic Compounds and Extraction of Metals
10 problems
Type:
1.
Describe how copper is refined by electrolysis.
High School (9–10), General · Ionic Compounds and Extraction of MetalsStemPy LabStemPy Lab
Hard
2.
2.4 kg of haematite, Fe₂O₃, is reduced to iron: Fe₂O₃ + 3CO → 2Fe + 3CO₂.
High School (9–10), General · Ionic Compounds and Extraction of MetalsStemPy LabStemPy Lab
Medium
3.
Name the method used to get each metal from its compound: sodium, iron, copper (from a copper ore)…
High School (9–10), General · Ionic Compounds and Extraction of MetalsStemPy LabStemPy Lab
Medium
4.
Explain the words mineral, ore and gangue.
High School (9–10), General · Ionic Compounds and Extraction of MetalsStemPy LabStemPy Lab
Easy
5.
Potassium chloride melts at 1043 K and candle wax at 330 K.
High School (9–10), General · Ionic Compounds and Extraction of MetalsStemPy LabStemPy Lab
Medium
6.
A white solid is hard and brittle. It melts at 1100 K.
High School (9–10), General · Ionic Compounds and Extraction of MetalsStemPy LabStemPy Lab
Medium
7.
Give four properties of ionic compounds.
High School (9–10), General · Ionic Compounds and Extraction of MetalsStemPy LabStemPy Lab
Medium
8.
Why is the formula of magnesium chloride MgCl₂, and not MgCl? Show that MgCl₂ has no charge overall.
High School (9–10), General · Ionic Compounds and Extraction of MetalsStemPy LabStemPy Lab
Medium
9.
Find the formula of the compound of aluminium (atomic number 13) and fluorine (atomic number 9).
High School (9–10), General · Ionic Compounds and Extraction of MetalsStemPy LabStemPy Lab
Medium
10.
Describe what happens when sodium (2, 8, 1) reacts with chlorine (2, 8, 7).
High School (9–10), General · Ionic Compounds and Extraction of MetalsStemPy LabStemPy Lab
Easy