Podcast Beta
Questions and Answers
What type of reaction occurs when a single substance decomposes to give two or more substances?
In which type of reaction does a displacement reaction occur when an element displaces another element from its compound?
What is oxidation defined as in a chemical reaction?
Which type of reactions produce insoluble salts?
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In an exothermic reaction, what is characteristic of the heat?
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What is reduction defined as in a chemical reaction?
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What happens to a substance if it gains oxygen during a reaction?
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If a substance loses oxygen during a reaction, what is the term used to describe this process?
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In the reaction MnO2 + 4HCl → MnCl2 + 2H2O + Cl2, what is happening to MnO2?
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During the reaction ZnO + C → Zn + CO, what is happening to ZnO?
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If a substance gains oxygen or loses hydrogen during a reaction, what is the term used to describe this process?
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When a magnesium ribbon burns with a dazzling flame in air and changes into magnesium oxide, is magnesium being oxidised or reduced?
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In the reaction 2PbO(s) + C(s) → 2Pb(s) + CO2(g), which statement is incorrect?
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What type of reaction is Fe2O3 + 2Al → Al2O3 + 2Fe?
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When dilute hydrochloric acid is added to iron fillings, what is produced?
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What is the purpose of balancing a chemical equation?
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Which statement can be correctly translated into a balanced chemical equation?
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Balance the following chemical equation: BaCl2 + H2SO4 → BaSO4 + HCl.
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