What is a chemical change? Explain with example & write word equation and chemical equation for the explanation.
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Answer: Word equations explain which substance reacts with another substance to form a new substance, while molecular equation use symbols and formulas with quantities showing reactants and products. For example, Zinc reacts with dilute sulphuric acid to produce zinc sulphate and hydrogen gas.
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A change in which composition and chemical properties of the substance get changed is called a chemical change .
For example,when carbon is burnt,carbon dioxide is produced.Carbon dioxide has properties entirely different from those of carbon.So, the burning of carbon is a chemical change.
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