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Physical Change

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

ScienceWhich of the following involves only a physical change?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2MediumScienceHow does melting of ice differ from electrolysis of water?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 2MediumScienceWhen water is added to a coloured solution, its colour becomes lighter, but no new substance is formed. What does this change represent?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceWhich of the following observations is not evidence that a chemical reaction has occurred?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1EasyScienceWhat is the correct difference between melting of ice and burning of a candle?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceWhich of the following changes is the best example of a chemical change?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 1MediumScienceWhich of the following is a chemical change?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 7EasyScienceWhich of the following changes is an indication of a chemical reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 6EasyScienceWhy is melting of ice not a chemical reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhen a candle is lit, what type of change mainly occurs in the combustion of wax vapour?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 4EasyScienceWhich of the following is an indication of a chemical change?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3EasyScienceWhat can a colour change indicate in a chemical reaction?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 3Easy