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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।

ScienceHow is hydrogen gas identified?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13EasyScienceWhich gas is released when an acid reacts with an active metal?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13EasyScienceWhich gas is produced when zinc reacts with dilute hydrochloric acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12EasyScienceWhich gas is formed at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15MediumScienceWhich gas is formed at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceHydrogen gas is identified by which sound?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceWhich gas is generally formed in the reaction of an acid with an active metal?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceWhich gas is formed at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceWhich gas is formed at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceWhich gas is generally released when an acid reacts with an active metal?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12EasyScienceA solution that turns blue litmus red gives no gas with copper but gives gas with magnesium. What is the correct reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceHow is the gas formed at the cathode in the chlor-alkali process tested?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceWhy is gas not released every time a metal is added to an acidic solution?Class 10Chemical Substances – Nature and BehaviourMetals and Non-metalsLevel 11HardScienceBy which test can the gas formed at the cathode in the chlor-alkali process be identified?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceIf one metal gives no gas with an acid and another metal gives gas rapidly with the same acid, what is the correct basis of comparison?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceIn an experiment both hydrogen gas and carbon dioxide gas may form. What are the correct tests to identify them?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 9MediumScienceIn which situation is hydrogen gas most likely to be formed?Class 10Chemical Substances – Nature and BehaviourMetals and Non-metalsLevel 6MediumScienceWhich pair reacts to form a salt and hydrogen gas?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceA metal and an acid react to form a salt and hydrogen gas. If the metal is magnesium and the acid is sulphuric acid, which salt will be formed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceThe gas formed near the cathode in the chlor-alkali process can be used in which process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium