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Reactivity Series

Class 10 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceMetal A displaces metal B from a solution of B's salt, but metal B does not displace metal A from a solution of A's salt. What is the correct conclusion?Class 10Metals and Non-metalsReactivity seriesLevel 1Hard ScienceIf a copper strip is placed in an aqueous zinc sulphate solution and no visible change occurs, what is the correct reason?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Hard ScienceWhen an iron nail is placed in a blue copper sulphate solution, the solution changes colour and copper gets deposited. What type of reaction is this?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Medium ScienceA student calls the reaction \(Fe + CuSO_4 \rightarrow FeSO_4 + Cu\) a double displacement reaction. What is the correct correction to the statement?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Medium ScienceWhich of the following equations represents a displacement reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Medium ScienceAn iron nail was kept in a blue copper sulfate solution for some time. The solution turned light green and a reddish-brown coating appeared on the nail. Which is the correct explanation of this change?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Medium ScienceIf metal A displaces metal B from an aqueous solution of its salt, which conclusion is correct?Class 10Metals and Non-metalsReactivity seriesLevel 5Medium ScienceWhy does no reaction occur when a copper strip is placed in zinc sulphate solution?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Medium ScienceWhen an iron nail is placed in copper sulphate solution, the reddish-brown coating formed on the nail is of which substance?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Medium ScienceWhich statement is correct when an iron nail is placed in copper sulphate solution?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Medium ScienceWhen an iron nail is kept in a blue copper sulphate solution for some time, the solution turns light green and a reddish-brown coating forms on the nail. What type of reaction is this?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Medium ScienceWhen an iron nail is placed in a blue copper sulphate solution, what is the main reason the solution turns green?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Medium ScienceA student placed an iron nail in a blue copper sulphate solution. After some time, a reddish-brown coating formed on the nail and the solution began to turn green. What type of reaction is this?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Medium ScienceIf, under the same suitable conditions, metal A cannot displace metal B from an aqueous solution of its salt, what is the most appropriate conclusion?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Medium ScienceWhich substance is displaced when an iron nail is placed in copper sulphate solution?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Medium ScienceWhich statement about a displacement reaction is correct?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Medium ScienceA student places a clean iron nail in a blue copper sulphate solution. After some time, the solution turns green and a reddish-brown coating appears on the nail. What is the correct conclusion from this experiment?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Medium ScienceWhich of the following chemical equations represents a displacement reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Medium ScienceIf metal A displaces metal B from its salt solution, what is the correct conclusion about metal A?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Medium ScienceWhy does a reddish-brown layer form on an iron nail placed in copper sulphate solution?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Medium