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    Frank Majibwene

    Student at Mlangarini Secondary School in Arusha

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    ZIPPORAH Chepkorir Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Hydrogen

    what are the common  drying agents used for drying gases

      0       3
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    Frank MajibwenePhoto
    Frank Majibwene Posted on 1 year ago

    Sulphuric acid

    Steron Max Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Formula Bonding and Nomenclature

    Mention 2 types of bonding?

      2       9
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    Frank MajibwenePhoto
    Frank Majibwene Posted on 1 year ago

    Covalent and electrovalent bonding

    Beatrice Laizer Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Acids, Bases And Salts

    How salty solution result to rust more explanation plz

      0       1
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    Frank MajibwenePhoto
    Frank Majibwene Posted on 1 year ago

    When salty solutions are reacted with metals the moister produced after exposure to air will result to rust

    Steron Max Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Oxygen

    Why oxygen is collected by downward displacement water?

      4       14
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    Frank MajibwenePhoto
    Frank Majibwene Posted on 1 year ago

    Its less denser than air

    Faraja Mligo Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Hydrogen

    Why hydrogen is collected by upward displacement of air?

      0       7
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    Frank MajibwenePhoto
    Frank Majibwene Posted on 1 year ago

    Coz its slightly soluble in water

    Zainab Salim Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Organic Chemistry

    what is homologous series

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    Frank MajibwenePhoto
    Frank Majibwene Posted on 1 year ago

    Is a series in organic chemistry in which each group differes from another with CH2

    Ottp Michael Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Extractions Of Metals

    Hey,what are criteria/stages for the choice of the best methods of extracting a metal from its ore?

      0       3
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    Frank MajibwenePhoto
    Frank Majibwene Posted on 1 year ago

    Most reactive metals= electrolysis
    moderate reactive= reduction
    less reactive= chemical reactions

    Imani Sherrie Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Introduction To Chemistry

    What are the branches of chemistry

      0       5
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    Frank MajibwenePhoto
    Frank Majibwene Posted on 1 year ago

    Organic chemistry,soil chemistry,bio chemistry,inorganic chemistry,organic chemistry

    Fred Mahamoud Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Acids, Bases And Salts

    why water does not adding to the acid

      3       3
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    Frank MajibwenePhoto
    Frank Majibwene Posted on 1 year ago

    Water is not added into acids becouse it may explode

    Kelvin Augastine Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Hydrogen

    what is steam reforming.

      0       2
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    Frank MajibwenePhoto
    Frank Majibwene Posted on 1 year ago

    Is the process of producing hydrogen and carbon monoxide by reacting hydrocarbons with water

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