show by a simple experiment that a change involve interaction between two or more substance or bodies?
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ripening of fruits, photosynthesis, tarnishing of iron, burning of woods, digestion of foods, and even cooking foods are few examples of chemical changes and chemical reactions happening around us and even inside our bodies. A chemical reaction involves the transformation of one or more substances into another substance or substances. it involves a change in composition and is represented by a chemical equation.
A chemical equation provides a concise picture of a chemical change. It is used to convey the pertinent information about the chemical reaction which includes the substances involved and their quantitative ratio.
Chemical equations are representations of chemical reactions in terms of symbols of elements and formulas of compounds involved in the reactions. The substances that enter into a chemical reaction are called reactants and the substances formed are the products.
A chemical equation provides a concise picture of a chemical change. It is used to convey the pertinent information about the chemical reaction which includes the substances involved and their quantitative ratio.
Chemical equations are representations of chemical reactions in terms of symbols of elements and formulas of compounds involved in the reactions. The substances that enter into a chemical reaction are called reactants and the substances formed are the products.
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take a beaker containing hundred ml of water. dissolve 5 grams of sodium chloride (salt) in it. the salt on dissolving disappears and the volume of solution doesn't change. this is because the salt molecules are occupying the gaps between solid and liquid.
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