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प्रश्न
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
विकल्प
physical
chemical
उत्तर
A change in which matter undergoes a change but the total mass of the substance is unaltered is a chemical change.
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संबंधित प्रश्न
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Mention some of the different conditions needed for chemical changes to occur.
