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Magnesium Oxide

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

ScienceWhat is formed when magnesium oxide reacts with hydrochloric acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhich of the following substances is a basic oxide?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11EasyScienceWhat will be the ratio of magnesium atoms to oxygen atoms in five formula units of magnesium oxide?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5MediumScienceWhat will be the ratio of magnesium atoms to oxygen atoms in four formula units of magnesium oxide?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3MediumScienceWhich of the following is a redox reaction in which the oxidation number of one element increases and that of another element decreases?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3ExpertScienceWhat will be the ratio of magnesium atoms to oxygen atoms in three units of magnesium oxide?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3EasyScienceWhy is a magnesium ribbon cleaned with sandpaper before burning?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2ExpertScienceIn two formula units of magnesium oxide, what is the ratio of magnesium atoms to oxygen atoms?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2ExpertScienceWhich substance is the white powder formed when a magnesium ribbon burns in air?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1ExpertScienceIn the balanced equation \(2Mg + O_2 \rightarrow 2MgO\), what is the total number of oxygen atoms on the product side?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 5HardScienceIn the reaction of magnesium with oxygen, if 2 formula units of magnesium oxide are formed, how many \(\mathrm{O_2}\) molecules are needed to balance the equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5HardScienceIn the balanced equation for burning magnesium, \(2\mathrm{Mg}+\mathrm{O}_2\rightarrow2\mathrm{MgO}\), how many oxygen atoms are present on the product side?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4HardScienceIn the balanced combustion reaction of magnesium, if \(2\mathrm{MgO}\) is written on the product side, how many magnesium atoms must be on the reactant side?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3HardScienceWhen the reaction of magnesium burning in oxygen is balanced, what coefficient is placed before magnesium oxide?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2MediumScienceWhich is the correct match for the white powder formed when a magnesium ribbon burns in air and the type of reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceWhen a magnesium ribbon burns, the reaction is \(2Mg + O_2 \rightarrow 2MgO\). Which statement about this reaction is correct?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 7EasyScienceA student says that magnesium is not oxidised in the reaction 2Mg + O₂ → 2MgO because it merely combines with oxygen to form a compound. What is the error in this statement?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6MediumScienceWhich of the following reactions is an example of a combination reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6EasyScienceWhen magnesium burns in oxygen to form magnesium oxide, what type of reaction is it?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6Easy