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    fatimah4444's Avatar
    fatimah4444 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 7, 2019, 10:43 PM
    chemistry questions
    QUESTION 1
    A/Sand has the ability to
    B/Dissolves in water
    C/Sublimate when heated
    D/Evaporate when heated
    E/None of the above
    ______
    QUESTION 2
    The chemical NH4Cl has the ability to:
    A-Dissolves in water
    B-Sublimate when heated
    C-Melt when heated
    D-Evaporate when heated
    _______
    Question3
    Ammonium chloride has the ability to change directly from the solid to the gas state without using the heat.
    True
    False
    __________
    QUESTION 4
    Which technique do you use to dry out the wet sand?
    Filtration
    Decantation
    Using heat for sublimation
    . Using heat for evaporation
    ___________
    QUESTION 5
    When heating a mixture of salt, and ammonium chloride, which substance will be affected?

    All of them
    Sand and salt only
    Sand only
    Ammonium chloride only
    InfoJunkie4Life's Avatar
    InfoJunkie4Life Posts: 1,409, Reputation: 81
    Ultra Member
    		  
    #2

    Nov 2, 2019, 12:33 PM
    What do you think the answers are?
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