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Balanced Equations

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

ScienceIf iron atoms are equal but oxygen atoms are not equal in an equation, what is the equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Medium ScienceWhat is the deepest reason for keeping atoms of all elements equal on both sides of a balanced chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Hard ScienceWhile balancing a chemical equation, the number of atoms of each element is kept the same on the reactant and product sides. Which law does this demonstrate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Expert ScienceA student wrote \(\mathrm{Fe + H_2O \rightarrow FeO + H_2}\) for the reaction of iron with steam. What is the main error in this equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceIf a chemical equation has the same number of hydrogen atoms on both sides but an unequal number of oxygen atoms, what is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Expert ScienceWhat is the main reason for keeping atoms of every element equal on both sides of a balanced equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Easy ScienceIn the balanced chemical equation 2H₂ + O₂ → 2H₂O for the formation of water, how many hydrogen atoms are present in total on the product side?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Medium 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 statement best explains the relationship between a balanced chemical equation and the law of conservation of mass?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Hard ScienceIn which situation will a chemical equation not be considered balanced?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Hard ScienceHow does a balanced chemical equation demonstrate the law of conservation of mass?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Medium ScienceWhen is the law of conservation of mass correctly applied in a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Medium ScienceIn the balanced chemical equation for the formation of water, \(2\mathrm{H_2} + \mathrm{O_2} \rightarrow 2\mathrm{H_2O}\), what is the ratio of hydrogen molecules to oxygen molecules?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2Medium ScienceWhich of the following statements about a balanced chemical equation is incorrect?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1Medium ScienceIn a balanced chemical equation, how does the number of atoms of each element compare in the reactants and products?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 7Easy ScienceWhat is equal on both sides of a balanced chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6Easy ScienceIn a balanced chemical equation, how does the number of oxygen atoms compare on the reactant and product sides?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Easy ScienceWhy is a balanced chemical equation necessary?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4Easy ScienceWhat must be the same on the reactant and product sides of a balanced chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy