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"Displacement reactions also play a key role in extracting metals in the middle of the reactivity series." Justify this statement with two examples.
Why can metals high up in the reactivity series not be obtained by reduction of their oxides by carbon ?
Translate the following statement into a balanced chemical equation. "When barium chloride reacts with aluminium sulphate, aluminium chloride and barium sulphate are formed." State the type of this reaction giving reason to justify your answer.
Write chemical equation for the chemical reaction which occurs when the aqueous solutions of barium chloride and sodium sulphate react together. Write the symbols of the ions present in the compound precipitated in the reaction.
Study the experimental set-up shown in the diagram and write chemical equation for the chemical reaction involved. Name and define the type of reaction. List two other metals which can be used in place of iron to show the same type of reaction with copper sulphate solution.
Zn + 2CH₃COOH → (CH₃COO)₂Zn + H₂ The above reaction is a :
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