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Falcelinnada kiimikada: burburid

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Waxaan qeexi karaa waxa dhacaya inta lagu jiro falcelinnada burburidda, oo aan u qori karaa isla'egyo kiimikaad si aan u muujiyo kuwaas.

Hordhac

Soo dhawoow casharkayaga maanta. Halkan waxaan ku baranaynaa kala-burburka (decomposition), kaas oo ah nooc ka mid ah falgalka kiimikada (chemical reaction). Kahor inta aanan bilaabin, waa inaad hore uga yaqaan fikradaha aasaasiga ah ee falgalka kiimikada iyo sida loo qoro isla'egyo fudud.

Muuji qoraalka
Decomposition reactions involve a single compound breaking down into two or more products. Decomposition reactions usually require heat, light, or electricity, to occur. When metal carbonates decompose upon heating, they typically form metal oxides and carbon dioxide gas.

Warqadda shaqada

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Imtixaannada

  1. 1. Waa maxay calaamadaha caadiga ah ee muujinaya in falgal kiimiko (chemical reaction) uu dhacayo?

    • walaxdu way dhalaashaa
    • Jawaabta saxda ah:xumbo ayaa soo baxda
    • Jawaabta saxda ah:waxaa jira isbeddel midab (colour change)
    • Jawaabta saxda ah:walaxdu way kululaataa

  2. 2. Marka falgal kiimiko (chemical reaction) dhaco, maxaa ku dhaca atom-yada (atoms) ee walxaha falgalka (reactants)?

    • way baabba'aan
    • Jawaabta saxda ah:way isku habeynayaan si ay u sameeyaan alaabo cusub (new products)
    • way isbedelaan
    • way weynaadaan

  3. 3. Maxaa ku dhacaya cufka (mass) alaabta laga helo marka la barbardhigo cufka walxaha ka qaybqaata fal-galka kiimikada (chemical reaction)?

    • wuu kordhaa
    • wuu yaraadaa
    • Jawaabta saxda ah:wuu isku sii ahaanayaa
    • wuu isbedbedelaa

  4. 4. Waa noocee falcelin (reaction) oo walax ku midoobto oksijiin (oxygen)?

    • kala-bax (decomposition)
    • Jawaabta saxda ah:oksaydh (oxidation)
    • dhexdhexaadin (neutralisation)
    • roobab (precipitation)

  5. 5. Kiimikooyinkan (chemicals) kee baa ka mid ah fal-celiyeyaasha (reactants) fal-celintan? zinc + hydrochloric acid → zinc chloride + hydrogen

    • Jawaabta saxda ah:zinc
    • Jawaabta saxda ah:hydrochloric acid
    • zinc chloride
    • hydrogen

  1. 1. Waa maxay falcelin burburis (decomposition reaction)?

    • Waa falcelin ay laba iskudhis (compounds) isku daraan si ay u sameeyaan hal shey.
    • Jawaabta saxda ah:Waa falcelin uu hal iskudhis (compound) kala go'o oo uu noqdo laba ama in ka badan oo shey ah.
    • Waa falcelin ay gaas (gas) soo baxdo marka dareerayaal (liquids) la isku daro.
    • Waa falcelin ay kulayl (heat) la nuugo.

  2. 2. Waa gaas kee (gas) oo inta badan la soo saaro marka curiye karbonat (metal carbonates) ay burburaan?

    • oksijiin
    • haydarojiin
    • naytaroojin
    • Jawaabta saxda ah:kaarboon laba-oksaydh
    • biyo

  3. 3. Mid ka mid ah kuwan soo socda waa falcelin burburis (decomposition reaction)?

    • 2H₂ + O₂ → 2H₂O
    • Jawaabta saxda ah:CaCO₃ → CaO + CO₂
    • NaCl + AgNO₃ → NaNO₃ + AgCl
    • 2K + Cl₂ → 2KCl

  4. 4. Mid ka mid ah falcelinnada soo socda ayaa muujinaya burburka (decomposition) biyaha?

    • Jawaabta saxda ah:2H₂O → 2H₂ + O₂
    • 2H₂ + O₂ → 2H₂O
    • 2H₂O₂ → 2H₂O + O₂
    • 2Li + 2H₂O → 2LiOH + H₂

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