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Thermal Decomposition

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

ScienceOn heating lead nitrate, the evolution of a brown gas confirms the formation of which gas?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3HardScienceWhen lead nitrate is heated, a brown gas evolves and a solid residue remains. Which explanation is correct?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3HardScienceWhat is the role of heat in thermal decomposition of calcium carbonate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3MediumScienceThe gas produced on heating calcium carbonate is passed through lime water. The milkiness of lime water is caused by the formation of which substance?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3HardScienceIf, in a reaction, a single compound absorbs heat and forms two or more products, what is the most appropriate classification of the reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2HardScienceWhy is it incorrect to identify the brown fumes observed on heating lead nitrate as oxygen?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2HardScienceWhen lead nitrate is heated, a brown gas and oxygen are formed. What is the solid residue?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2HardScienceWhen calcium carbonate is heated, the gas produced turns limewater milky. Which gas is it?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceTen grams of calcium carbonate is heated in a closed container. If no gas escapes, what will be the total mass of the products?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceWhat is the role of heat in the reaction of heating lead nitrate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1HardScienceWhich pair correctly identifies the brown gas and the solid residue formed on heating lead nitrate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1HardScienceWhich is the correct set of products formed when calcium carbonate is heated?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1HardScienceWhich of the following is a decomposition reaction but not a photolytic decomposition reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5MediumScienceWhich solid product is formed on thermal decomposition of lead nitrate?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5MediumScienceA brown gas is released on heating lead nitrate. Which gas is it?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 5MediumScienceIn which reaction must heat energy be supplied for the reaction to occur?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4MediumScienceWhen lead nitrate is heated, brown nitrogen dioxide gas is formed. What type of reaction is this?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4MediumScienceWhich products are formed when calcium carbonate is heated?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4MediumScienceWhen lead nitrate is heated, a brown gas is evolved. Which equation correctly represents this thermal decomposition?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3MediumScienceOn thermal decomposition of lead nitrate, which solid product is formed besides gases?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Medium