NCERT Books on Science for Class 6 to 12 (Free and Trusted PDF Download)

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Discussions & Questions

  • identify the physical and chemical changes from the following?heating the mixture of iron and sulphur,ripening of fruits,dissolution of salt in water,rusting of iron_chair,making egg omelets ( - on )

    1 Answer

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  • I want to study NSO exam ( - on )

    1 Answer

    For NSO preparation visit - https://www.doorsteptutor.com/Exams/NSO/

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