1. (d) All the substances mentioned show the property of sublimation. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-1/

    (d) All the substances mentioned show the property of sublimation.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-1/

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  2. (b) Interparticle space (space between two neighbouring particles) is maximum in a gas because there is least force of attraction and there is maximum freedom. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-1/

    (b) Interparticle space (space between two neighbouring particles) is maximum in a gas because there is least force of attraction and there is maximum freedom.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-1/

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