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    mixture primary five

    atwa
    atwa
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    عدد المساهمات : 114
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    mixture  primary five Empty mixture primary five

    مُساهمة من طرف atwa الخميس نوفمبر 26, 2009 6:32 am

    Mixture
    A suspension عالق of flour in water, a heterogeneous mixture
    , a mixture is when two or more different substances are mixed together but not combined chemicallyلا تتحد كميائياً. The molecules of two or more different substances are mixed in the form of solutions, suspensions, and colloids. While there are no chemical changes to its constituents the physical properties of a mixture, such as its melting point, may differ from those of the components. Some mixtures can be separated into their components by mechanical means. Mixtures are either homogeneous or heterogeneous.
    Mixtures are the product of a blending or mixing of chemical substances like elements and compounds, without chemical bonding or other chemical change, so that each ingredient substance retains its own chemical properties and makeup.
    Mixture refers to the physical combination of two or more substances the identities of which are retained. Mixtures can be either homogeneous or heterogeneous. A homogeneous mixture is a type of mixture the composition of which cannot be identified. A heterogeneous mixture is a type of mixture the composition of which can easily be identified since there are two or more phases present.
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    toty25
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    mixture  primary five Empty رد: mixture primary five

    مُساهمة من طرف toty25 الأحد مارس 14, 2010 8:54 pm

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