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Hydrogen

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

ScienceA metal gives a gas with acid and the gas gives a pop sound near a burning splint. Which conclusion about the metal is correct?Class 10Chemical Substances – Nature and BehaviourMetals and Non-metalsLevel 14MediumScienceWhich gas is evolved at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceDilute sulphuric acid is added to zinc pieces in a test tube. The evolved gas burns with a pop sound near a burning splint. What is the correct chemical reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceIf both magnesium and zinc react with dilute acid, which gas will be common in both reactions?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12EasyScienceIn the chlor-alkali process, which product is formed at the cathode during electrolysis of brine?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceWhy does copper generally not liberate hydrogen from dilute hydrochloric acid?Class 10Metals and Non-metalsReactivity seriesLevel 12MediumScienceA 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 12MediumScienceOne metal gives gas vigorously with acid while another gives no gas. What is mainly compared by this observation?Class 10Metals and Non-metalsReactivity seriesLevel 11MediumScienceWhich metal is least likely to produce hydrogen gas with dilute acid?Class 10Chemical Substances – Nature and BehaviourLevel 11MediumScienceWhere is hydrogen gas obtained in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhich gas is formed at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15EasyScienceHydrogen gas is identified by what?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15EasyScienceWhich gas is released when an acid reacts with an active metal?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15EasyScienceAt which electrode is hydrogen produced in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7MediumScienceWhich gas can be released when sodium hydroxide reacts with zinc?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7MediumScienceWhich gas is formed at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14EasyScienceHydrogen gas is identified by what?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14EasyScienceWhich gas is produced at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6MediumScienceWhich gas is formed at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13EasyScienceWhat are the main products obtained in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Easy