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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Give an Example of Desirable Change Which Can Also Be Undesirable. - Chemistry

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प्रश्न

Give an example of desirable change which can also be undesirable.

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उत्तर

Using a car to cover a long distance is a desirable change but car emissions can lead to air pollution which is undesirable.

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अध्याय 2: Physical and Chemical Changes - Additional questions 7

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 2 Physical and Chemical Changes
Additional questions 7 | Q 3
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