HomeScience Question Why do we need to group materials? Give one reason. Share FacebookTwitterWhatsAppTelegram Answer We often group materials for our convenience. It helps to describe their properties. Related questions ‘Grouping of objects helps the shopkeeper.’ Justify the statement. view ansewr Why is water called a universal solvent? view ansewr Name the naturally occuring hardest substance known. view ansewr Metals generally occur in solid state and are hard. Name a metal that exists in liquid state and a metal that is soft and can be cut with knife. view ansewr Name a non-metal that has lustre. view ansewr Kerosene, coconut oil, mustard oil do not dissolve in water, even on shaking. They separate after sometime forming two different layer. Explain why. view ansewr Metals have lustre (shine). Give reason why some metal articles become dull and loose their shine. view ansewr What is the reason for grouping materials? view ansewr What is the basis for sorting materials? view ansewr Why is water important for our body? view ansewr Categories ScienceEnglishGeographyBooksPlants and NatureCountries and StatesAnimals and WildlifeCapitals and CitiesLifeTechnologySports and GamesComputer and InternetEntertainmentArts and CultureCompetitive ExamsMovies and TV SeriesPoliticsWorld HistoryIndian HistoryMathematics
