Properties of matter

Physics

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Karibu tena arsenal — nimekukumbuka wiki hii.

Mali za dutu ni sifa zinazoweza kuchunguzwa au kupimwa bila kubadilisha utambulisho wa dutu hiyo. Mali hizi hugawanywa katika makundi mawili: mali kimwili na mali kikemikali.

Mali kimwili ni sifa zinazoweza kuonekana au kupimwa bila kubadilisha dutu kuwa dutu nyingine. Mifano ni pamoja na rangi, umbo, kuyeyuka (melting point), kuchemka (boiling point), msongamano (density), na umeme (conductivity).

Mali kikemikali ni sifa zinazohusu uwezo wa dutu kufanyiwa mabadiliko ya kikemikali na kuwa dutu nyingine. Mifano ni pamoja na uchomaji (flammability), reaktiviti (reactivity) na uwezo wa kutuushwa (ability to oxidize).

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