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Metal Reactivity

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

ScienceOne metal gives gas vigorously with acid while another gives no gas. What is mainly compared by this observation?Class 10Metals and Non-metalsReactivity seriesLevel 11Medium ScienceWhy is gas not released every time a metal is added to an acidic solution?Class 10Chemical Substances – Nature and BehaviourMetals and Non-metalsLevel 11Hard ScienceIf metal A displaces metal B from an aqueous solution of its salt, but metal B does not displace metal A from a solution of its salt, which metal is more reactive?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Expert ScienceZinc displaces copper from an aqueous solution of its salt, but copper does not displace zinc from an aqueous solution of its salt. What is the most correct conclusion?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Hard ScienceMetal A displaces metal B from a solution of its salt, and metal B displaces metal C from a solution of its salt. Which metal is the least reactive?Class 10Chemical Substances – Nature and BehaviourMetals and Non-metalsLevel 4Medium ScienceWhat is the microscopic reason for fading of blue colour of copper sulphate solution?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Hard ScienceZinc displaces copper from copper sulphate solution, but copper does not displace zinc from zinc sulphate solution. What is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Hard ScienceWhen an iron nail is placed in copper sulphate solution, a decrease in the concentration of which ion causes the blue colour of the solution to fade?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Hard ScienceMetal A displaces metal B from an aqueous solution of its salt, and metal B displaces metal C from an aqueous solution of its salt. Which metal is the most reactive?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Hard ScienceWhen an iron nail is placed in a blue copper sulphate solution, the blue colour gradually fades because the concentration of which ion decreases?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Hard ScienceA student placed an iron nail in a blue copper sulphate solution. After some time, the solution turned light green and a reddish-brown coating appeared on the nail. Which type of reaction does this illustrate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Hard ScienceA student dipped an iron nail in a blue copper sulphate solution for some time. A reddish-brown coating formed on the nail and the solution turned green. Which type of reaction does this change illustrate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Medium ScienceWhen an iron nail is placed in copper sulphate solution, the solution changes colour and copper is deposited. What type of chemical reaction is this?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Medium ScienceA student adds zinc granules to a blue copper sulfate solution. After some time, the blue colour fades and a reddish-brown coating appears on the zinc. Which conclusion is correct?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Medium ScienceIn which of the following mixtures will a metal displacement reaction not occur?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Medium ScienceWhat is the reaction called in which a more reactive metal displaces a less reactive metal from its salt solution?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Medium ScienceA student places a clean iron nail in blue copper sulfate solution. Which observation confirms that a displacement reaction has occurred?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 ScienceWhich type of reaction occurs when an iron nail is placed in copper sulphate solution?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 7Easy ScienceWhich of the following reactions is an example of a displacement reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6Easy