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Chemical Equations

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

ScienceWhat is the main limitation of a skeletal chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhat does a downward arrow (↓) indicate in a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhat does an upward arrow indicate in a chemical reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhich symbol represents the liquid state of a substance in a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhich state symbol is used to represent a solid substance in a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhich symbol represents the state of a substance dissolved in water in a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceDecomposition reactions in which energy must be supplied are generally of which type?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceIn 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 4EasyScienceWhat type of reaction occurs when lead nitrate is heated?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhen a single compound breaks down to form two or more products, what type of reaction is it called?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhat is a reaction called in which two or more reactants combine to form a single product?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhen electric current is passed through water, it decomposes into hydrogen and oxygen. What type of reaction is this?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhat are products in a chemical reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhat are reactants in a chemical reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhat are coefficients used for in a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhy is a balanced chemical equation necessary?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhat is an equation in which the names of reactants and products are written in words called?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3EasyScienceHydrogen and oxygen react to form water. Which type of reaction is this?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3EasyScienceWhy should chemical formulae not be changed while balancing a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3EasyScienceWhat is a chemical equation called when the number of atoms of each element is not the same on the reactant and product sides?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy