تیزاب او القلي
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کرنه او مالداري
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ولې ځینې خاورې تیزابي او ځینې القلي وي؟
د خاورې خواص د هغې د لومړنیو اجزاو او محیطي عواملو پورې تر ډیره اړه لري. کله چې د خاورې لومړني مواد تیزابي خواص ولري نو خاوره هم تیزابي خواص غوره کوي او که چیرې القلي خواص ولري نو خاوره هم القلي خواص
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