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Chemical Reactions And Equations

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

ScienceWhen oxygen is added to a substance, what is the process called?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhat does a downward arrow generally show in a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhat does an upward arrow generally show in a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhich symbol is used to indicate the aqueous state in a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhich symbol denotes the solid state of a substance in a chemical equation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhat is the simple meaning of reduction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhat is the simple meaning of oxidation?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhich substance is formed when magnesium ribbon is burnt in air?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhat is a chemical reaction called in which heat is absorbed from the surroundings?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhat is a chemical reaction that releases heat to the surroundings called?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhat is the insoluble solid formed during a chemical reaction in a solution called?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhat is a decomposition reaction caused by heating called?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhen a compound breaks down into two or more simpler substances, what type of reaction is it?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhen two or more reactants combine to form a single product, what type of reaction is it?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy ScienceWhat are the substances written on the left side of the arrow in a chemical equation called?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy