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Combination Reaction

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

ScienceWhen water is added to calcium oxide, a large amount of heat is released and calcium hydroxide is formed. What is the correct classification of this reaction?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceOn what basis is the reaction of calcium oxide and water called an exothermic combination reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4MediumScienceWhy is burning of magnesium both a combination reaction and an oxidation reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4MediumScienceWhy is the reaction between calcium oxide and water called an exothermic combination reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3ExpertScienceWhy can burning of magnesium be considered both combination and oxidation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3MediumScienceWhich of the following equation represents a reaction that is both a combination reaction and an exothermic reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2ExpertScienceCalcium oxide reacts with water to form only calcium hydroxide, and the container becomes hot. Which conclusion is most complete?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2ExpertScienceWhy is the burning of magnesium considered a combination reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2ExpertScienceWhen water is added to calcium oxide, one product forms and heat is released. What is the correct combined identification?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceWhich substance is the white powder formed when a magnesium ribbon burns in air?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1ExpertScienceA student states that the reaction \(2\mathrm{Mg}+\mathrm{O}_2\rightarrow2\mathrm{MgO}\) is not a displacement reaction because no element replaces another element from a compound. The student is correct because this reaction is which type of reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5HardScienceWhen water is added to calcium oxide, calcium hydroxide is formed and heat is released. What type of reaction is this?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5HardScienceIn the reaction of calcium oxide with water, only one product is formed and heat is released. What is the correct combined classification of this reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4HardScienceWhich of the following equations represents an exothermic combination reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3HardScienceWhen water is added to calcium oxide, calcium hydroxide is formed and the container becomes hot. Which two types of reaction does this represent?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3HardScienceWhich of the following reaction is both a combination reaction and an oxidation-reduction reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2HardScienceWhat type of reaction is represented by the following general equation? \[ A+B\rightarrow C+\text{heat} \]Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2HardScienceWhen water is added to calcium oxide, calcium hydroxide is formed and a large amount of heat is released. What type of reaction is this?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2HardScienceWhich statement best describes the reaction of calcium oxide with water?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1HardScienceIn a reaction, two reactants combine to form only one product, and the container becomes hot. What is the most appropriate classification of the reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Hard