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Decomposition Reaction

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

ScienceWhich gas is identified by brown fumes in the decomposition of lead nitrate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Medium ScienceIf heat is shown on the reactant side of a chemical equation and one compound breaks down to form two or more products, what is the correct classification of the reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Expert ScienceA student classified the reaction \(2AgCl \xrightarrow{\text{sunlight}} 2Ag + Cl_2\) as a displacement reaction. What is its correct classification?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Expert ScienceIn a chemical equation, heat energy is written on the reactant side, and one compound breaks down to form two or more products. What type of reaction is this?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhat type of reaction occurs when lead nitrate decomposes on heating?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhat type of chemical reaction is \(2AgCl \xrightarrow{\text{sunlight}} 2Ag + Cl_2\), which occurs in the presence of sunlight?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceIf heat is shown as a reactant on the left side of a chemical equation and one compound breaks down to form two or more products, what is the correct identification of the reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Expert ScienceWhich of the following is a decomposition reaction but not an electrolytic decomposition reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Hard ScienceWhen a single compound breaks down into two or more simpler substances on heating, what type of reaction is it?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5Easy ScienceIf heat is absorbed along with the reactants in a reaction and one compound breaks down to form two or more products, what type of reaction is it?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Hard ScienceDuring the electrolysis of water, at the same temperature and pressure, if the volume of hydrogen gas obtained is 20 mL, what will be the volume of oxygen gas?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Hard ScienceDuring electrolysis of acidified water, 15 mL of oxygen is collected at the anode. A student says that 15 mL of hydrogen will also be produced at the cathode because water contains both H and O. What is the correct correction to the student's statement?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Hard ScienceWhich of the following reactions is not an oxidation-reduction (redox) reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Hard ScienceA student writes the reaction for heating potassium chlorate as \(KClO_3 \xrightarrow{\Delta,\,MnO_2} KCl + O_2\). What is the correct evaluation of this equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Hard ScienceIf, in a reaction, a single compound absorbs heat and forms two or more products, what is the most appropriate classification of the reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Hard ScienceWhen silver chloride is kept in sunlight, it turns grey. Which form of energy is mainly responsible for this change?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Hard ScienceA student said that electrolysis of water is a combination reaction. Why is this statement incorrect?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Medium ScienceWhen a single compound breaks down into two or more simpler substances on heating, what is the reaction called?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Medium ScienceIf a chemical reaction produces two or more products from a single reactant, what type of reaction is it?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Easy ScienceWhat is a reaction called in which a single compound breaks down into two or more simpler substances?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 7Easy