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Copper Sulfate

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

ScienceWhich of the following salts is associated with a fixed number of water molecules and is called a hydrated salt?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsEasy ScienceWhy does blue copper sulphate become white on heating?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsEasy ScienceA student writes the reaction on placing an iron nail in aqueous copper sulfate solution as: \(2Fe + 3CuSO_4 \rightarrow Fe_2(SO_4)_3 + 3Cu\). What correction is required in the equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsHard ScienceWhen a clean iron nail is placed in a blue \(CuSO_4\) solution, a reddish-brown coating forms on the nail. Which conclusion correctly explains this change?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsHard ScienceWhen an iron nail is dipped in a copper sulfate solution, which observation confirms a displacement reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsHard ScienceWhat type of reaction is \(\mathrm{Fe + CuSO_4 \rightarrow FeSO_4 + Cu}\), and why?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsHard 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 EquationsMedium 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 EquationsMedium 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 EquationsMedium