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प्रश्न
A chemical reaction is often accompanied by external indications or characteristics.
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उत्तर
A chemical reaction is accompanied by a change in colour of reactants and products
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संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Formation of manure from leaves is a physical change.
Give a reason.
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Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
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