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RELATED QUESTIONS

Iron Nail

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

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 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 ScienceA clean iron nail is immersed in a blue copper sulphate solution for some time. Which observation is correct?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 7Easy ScienceA student places a clean iron nail in a blue copper sulphate solution. Which observation after some time confirms that a displacement reaction has occurred?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 7Easy ScienceWhen an iron nail is kept in a blue copper sulphate solution for some time, the solution fades and a reddish-brown coating forms on the nail. Which type of reaction does this represent?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 7Easy ScienceA student places a clean iron nail in a blue copper sulphate solution for 20 minutes. Which observation correctly confirms that a displacement reaction has occurred?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6Easy ScienceAn iron nail is placed in a blue copper sulphate solution for some time. Which observation is correct?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Easy