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    mixture 5 20110

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    atwa
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    mixture 5 20110

    مُساهمة من طرف atwa في الإثنين نوفمبر 22, 2010 6:36 am

    The mixture المخلوط

    1. Pure substance : المادة النقيه
    It is the substance that is made of only one type of identical particles.
    مادة تتكون من نوع واحد من الجزيئات

    * Distilled waterالماء المقطر * Sugar Baking soda.

    Mixture: It is the substance that consists of more than one type of particles. المخلوط يتكون من اكثر من نوع من الجزيئات

    * Concrete. الخرسانه * Milk. *Tomato sauce.صلصة

    Types of mixtures.

    1-Solid-solid mixture :
    - It consists of two or more different solid materials.

    Vegetable salad - Fruit salad

    2-Liquid -liquid mixture :

    It consists of two or more different liquids.
    Mixture of vinegar and water - mixture of oil and water.


    3-Solid-liquid mixture :
    It consists of solid and liquid matter.
    Mixture of sand and water — Mixture of salt and water.


    4-Gaseous-gaseous mixture: It consists of different gases.

    Atmospheric air which is a mixture of oxygen gas, nitrogen gas, carbon dioxide gas and water vapour.

    Gaseous-liquid mixture: It consists of gaseous and liquid matter.

    As A mixture that is produced from dissolving carbon dioxide sugar solution







    The properties of mixture are:

    1. The components of the mixture do not react together and can be separated easily.
    2. Each component in the mixture keeps its own properties.
    3. The components of the mixture can be mixed at any ratio.


    Type of mixture
    a. Homogeneous mixture:
    مخلوط متجانس
    A type of mixtures in which, we cannot distinguish between its components.
    لا يمكن تمييز مكوناته
    - Milk. , - Mixture of salt and water.


    b. Heterogeneous mixture: غير متجانس

    A type of mixtures in which, we can distinguish between its components. يمكن تمييز مكوناته
    as sand and iron filings.


    give reason

    *Both sugar and distilled water are considered pure substances.

    Because each of them is composed of only one type of identical particles

    *Both milk and concrete are considered mixtures.

    Because each of them is consists of more than one type of particles.

    *A mixture of sand and iron filings can be separated easily.

    Because the components of the mixture do not react together.

    Write the scientific term :

    1-adding an amount of sugar with stirring

    2-mixing several type of fruit juices together .

    3-dissolving of carbon dioxide gas in sugary solution .




      الوقت/التاريخ الآن هو الأربعاء ديسمبر 13, 2017 3:36 am