Science, Moral Science, Chemistry

9th

grade

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Ch- 2 Is Matter Around us Pure?

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Q-1 By which Physical process we can Separate (NaCl) Sodium-Chloride from (H2O) Water?

    Burning

    Filtration

    Evaporation

    Separating-Funnel

  • 2. Multiple Choice
    30 seconds
    1 pt

    Q-2 What is the composition of BRASS ?

    50% zinc & 50% copper

    70% zinc & 30% copper

    40% zinc & 60% copper

    30% zinc & 70% copper

    !!NON OF THE ABOVE!!

  • 3. Multiple Choice
    30 seconds
    1 pt

    Q-3 A solution has a _________ & a _________ as it's components.

    Solute & Solvent

    True & Colloid

    Mixture & Solution

    All of the above

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