Chemistry Isomerism

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What is the reaction of sulphide ores to oxides?
ZnS + 1(0.5)O2 -------- ZnO + SO2
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What is the reaction for the prevention of acid rain from SO2?
SO2 + H2O + 1.5O2 ---------- H2SO4
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How are sulphide ores converted to oxides?
Roasting
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What is the reduction reaction to produce Iron from carbon?
Fe2O3 + 3CO --------- 2Fe + 3CO2
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Why are carbon and carbon monoxide used as reducing agents?
They are cheap
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What is the copper reaction for the previous method?
2CuO + C --------- 2Cu + CO2
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What is the copper reaction for the modern method?
Cu^2+ + Fe -------------- Cu + Fe^2+
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What is the reaction the happens at the negative electrode for electrolysis?
2Al^3+ + 6e- ---------------- 2Al
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What is the reaction for O2 at the positive electrode for aluminium?
3O2 -------- 1(0.5)O2 + 6e-
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What is the reaction for the decomposition of Aluminium?
Al2O3 ---------- 2Al + 1(0.5)O2
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What is the reaction for the reduction of Titanium oxide to Titanium Chloride?
TiO2 + 2C + 2Cl ------------ TiCl4 + 2CO
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What is the reaction for the reduction of Titanium chloride to Titanium?
TiCl4 + 4Na ---------- Ti + 4NaCl
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What is the reaction for Tungsten with hydrogen?
Wo3 + 3H2 ------------ W+ + 2H2O
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What are the dangers of using hydrogen in a reaction?
It is highly flammable
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Why is carbon reduction not used for extraction of titanium, aluminium and tungsten?
Because carbon will for carbide
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How is aluminium manufactured?
Extracted from bauxite ore; dissolved in molten cryolite; then electrolysed
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Other cards in this set

Card 2

Front

What is the reaction for the prevention of acid rain from SO2?

Back

SO2 + H2O + 1.5O2 ---------- H2SO4

Card 3

Front

How are sulphide ores converted to oxides?

Back

Preview of the front of card 3

Card 4

Front

What is the reduction reaction to produce Iron from carbon?

Back

Preview of the front of card 4

Card 5

Front

Why are carbon and carbon monoxide used as reducing agents?

Back

Preview of the front of card 5
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