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Three fourth of the Earth surface is covered with Water. Water is found in Puddles, Ponds, Rivers, Lakes, Oceans, Underground, Glaciers ( Ice), Air ( Water Vapor) Why sea water cannot be used for consumption? · The available water content in the sea is 97.4% · It has very high…
Chemistry Mixture: A substance obtained by mixing more than one pure substance Pure Substance: A substance that is made up of only one kind of particles Homogenous Mixture: A mixture in which all components are evenly distributed throughout the mixture is called as Homogenous mixture Heterogenous Mixture: A mixture in which all components are…
Our body requires Nutrients, Water, roughage for proper growth Some of the Nutrients are Carbohydrates, Fats, Proteins, Vitamins and Minerals Write a short note on Carbohydrates? · The Nutrient that gives us quick energy is Carbohydrates. · Starch and sugars are carbohydrates sugars · Sugars gives us immediate energy, Starch…
Grade 8, Science Chemistry Define Combustion?? Difference between Combustible and Non combustible substances?? Combustible substances Non combustible substances Substances that burn easily in air to produce heat and light are called combustible substances Substances that do not burn in air are called Non combustible substances Ex: Cloth, Wooden stick, dry…