Falcelinnada kiimikada: gubasho

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Waxaan qeexi karaa hababka gubashada iyo gubista, oo aan magacaabi karaa waxsoosaarka falcelinnadan.

Hordhac

Soo dhawoow darsigayaga maanta. Waxaan baranaynaa gubashada (combustion), taas oo ah falgal (reaction) kiimikaad, qayb ka mid ah cutubka fahamka falgalka kiimikaad. Kahor intaadan bilaabin, waa inaad hore u taqaan sida falgal (reaction) kiimikaadku u dhaco iyo sida curiyeyaasha (elements) iyo xeryahooda (compounds) isugu yimaadaan. Dhamaadka casharkan, waxaad awood u yeelan doontaa inaad sharaxdo habka gubista oo aad magacowdo waxyaabaha ka soo baxa falgalkan, laakiin marka hore, aan eegno waxa aad hore u taqaan.

Muuji qoraalka

Combustion requires fuel, oxygen, and an initial source of energy, usually heat, to start the reaction. The term 'burning' describes the reaction of substances with oxygen and is commonly used to refer to visible flames. Water is often formed in chemical reactions if oxygen and hydrogen atoms are present. Carbon dioxide is often formed in chemical reactions if oxygen and carbon atoms are present. Carbon dioxide and water both consist of small molecules that form easily with strong bonds.

Warqadda shaqada

weli lama diyaarin

Imtixaannada

1. CO₂ waxay ka kooban tahay atamka kaarboon iyo oksijiin. Kee ka mid ah kiimikooyinkan soo socda ayaa sidoo kale ka kooban atamka kaarboon iyo oksijiin?
- CH₄
- Jawaabta saxda ah:CO
- O₂
- C₆H₁₂O₆
- NaCl

1. Waa maxay gubasho (combustion)?
- Waa hab ay walxuhu ku dhalaalaan.
- Jawaabta saxda ah:Waa falcelin ay walxuhu ku falceliyaan oksijiin (oxygen) si ay u sii daayaan tamar.
- Waa hab ay walxuhu ku milmaan biyaha.
- Waa falcelin oo keliya soo saarta biyo.
2. Waa kee mid ka mid ah kuwan soo socda oo inta badan lagu sameeyo falcelinta kiimikada haddii atamka oksijiinta iyo kaarboonku ay joogaan?
- Jawaabta saxda ah:Kaarboon laba-oksaydh (carbon dioxide)
- Biyo
- Gulukoos (glucose)
- Kaarboon
3. Marka ay jirto oksijiin (oxygen) yar inta lagu guda jiro fal-celinta gubashada (combustion reaction), waxaa soo baxa carbon monoxide (ma aha carbon dioxide). Waa maxay qaacidada (formula) ee carbon monoxide?
- Jawaabta saxda ah:CO
- C + O
- CO₂
- C₂O

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