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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 ?
Name the type of chemical reaction in which calcium oxide reacts with water. Justify your answer by giving balanced chemical equation for the chemical reaction.
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.
Which of the following is a redox reaction, but not a combination reaction ?
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.
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