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Zinc

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

ScienceA student passed the gas evolved from zinc and dilute acid into lime water. No milkiness appeared. What is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceZinc can give hydrogen gas with both acid and sodium hydroxide. What kind of behaviour does this indicate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11HardScienceThe gas evolved in the reaction of zinc with dilute acid gives a pop sound near a burning splint. Which gas is confirmed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8EasyScienceWhich gas can be released when sodium hydroxide reacts with zinc?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7MediumScienceIf zinc is added to an acidic solution and a gas is evolved, what is the correct identification of that gas?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6MediumScienceWhich gas is produced when zinc reacts with dilute hydrochloric acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12EasyScienceIn an acidic solution, zinc first releases a gas and then limestone releases another gas. What is the correct identification of both gases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceAn unknown solution turns blue litmus red and gives a gas with zinc. When sodium carbonate is added to the same solution, another gas is released. What is the correct identification of both gases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12HardScienceAdding acid to a solution gives no carbon dioxide, but adding zinc gives hydrogen. What nature could the solution already have?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10HardScienceA solution gives one gas with zinc and another gas with sodium carbonate. What is the correct identification of both gases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10HardScienceA metal does not give hydrogen gas with an acid, but zinc gives gas in the same acid. Which conclusion is correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9HardScienceAn acid reacts with zinc to give one gas and with sodium carbonate to give another gas. What are the correct identities of the two gases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7MediumScienceIn which situation is hydrogen gas most likely to be formed?Class 10Chemical Substances – Nature and BehaviourMetals and Non-metalsLevel 6MediumScienceWhen zinc is added to an unknown solution, a gas is released and it gives a pop sound near a burning splint. What could be the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhich salt is formed when zinc reacts with dilute sulphuric acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhich gas forms in the reaction of zinc with dilute acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10EasyScienceHow is the reaction Zn + CuSO₄ → ZnSO₄ + Cu most accurately classified?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4HardScienceA student places a zinc strip in a blue copper sulphate solution and claims that no chemical reaction has occurred. Which observation would prove the student's conclusion wrong?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3ExpertScienceA student places a zinc strip in a blue copper sulphate solution and says that the blue colour fades because copper is more reactive than zinc. Which correction to this statement is correct?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3ExpertScienceZinc displaces copper from its salt solution, but copper does not displace zinc from its salt solution. What is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Expert