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RELATED QUESTIONS

Chemical Substances Nature And Behaviour

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

ScienceA student added acid to a metal carbonate and passed the gas through lime water. What is the correct observation?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy does effervescence occur when acid is added to sodium hydrogen carbonate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Easy ScienceWhat else is formed along with salt when hydrochloric acid reacts with sodium carbonate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Easy ScienceWhich gas is produced at the anode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourMetals and Non-metalsLevel 6Medium ScienceWhich gas is produced at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6Medium ScienceWhich gases are also formed when sodium hydroxide is prepared from sodium chloride solution by electrolysis?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6Medium ScienceWhy does white anhydrous copper sulphate turn blue again when water is added?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy do blue copper sulphate crystals become white on heating?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy is Plaster of Paris kept away from moisture?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Easy ScienceWhy is gypsum heated at a controlled temperature rather than at too high a temperature?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy is bleaching powder used in cleaning drinking water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Easy ScienceWhy can bleaching powder slowly lose its effectiveness when kept exposed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy is washing soda used to soften hard water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhat is the main difference between baking soda and baking powder?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy is a mild acid mixed with baking soda in baking powder?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhich gas is released on heating baking soda and turns lime water milky?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy does phenolphthalein turn pink in sodium carbonate solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhich salt is formed in the reaction between sodium hydroxide and hydrochloric acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Easy ScienceWhich substance can help reduce excessive basicity of basic soil?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhich substance can be suitable to treat acidic soil for farming?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Easy