Tugtar ola ar aon shubstaint atá ina leacht ag teocht an tseomra agus atá hidreafóbach (is é sin, ní mheascann sé le huisce) ach atá intuaslagtha i gcomhchodaigh orgánacha.
Bíonn ardleibhéal carbóin agus hidrigine ann, agus fásann siad ó fhoinsí orgánacha. Is gnách a roinntear iad ina thrí ghrúpa:
Acmhainn nádúrtha an-tábhachtach atá ann, a bhaintear feidhm as olaí mar bhia, breosla, chun leictreachas a chruthú, chun teas a bhogadh, mar bhealaitheoir, i bpéintéireacht agus i bpeitriceimiceáin.
Is síol é an t-alt seo. Cuir leis, chun cuidiú leis an Vicipéid. Má tá alt níos forbartha le fáil i dteanga eile, is féidir leat aistriúchán Gaeilge a dhéanamh. |
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