fizikiniai kitimai Flashcards

1
Q

fizikiniai kitimai

A

kitikai kuriems vykstant vienos medziagos nevirsta kitomis

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2
Q

chemine savybe

A

medžiagos ypatybe kuri isryskeja medziagai reaguojant su kitomis medziagomis arba jai skylant

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3
Q

kaip tyrinejame fizikinius ir cheminius reiskinius

A

atlikdami ivairius bandymus arba eksperimentus

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4
Q

cheminiu reiskiniu pvz

A

puva vaisiai, darzoves
rudija metalas
deginamos malkos, gamtines dujos
kepa blynai, bandeles

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5
Q

cheminiai reiskiniai/reakcijos

A

kitimai kuriems vykstant is vienu kedziagu susidaro kutos medžiagos .
joms vykstant susidaro cheminiai junginiai

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6
Q

vheminiu reakciju pozymiai

A

spalvos kvapo pakitimas
nuosedu susidarymas
duju silumos issiskyrimas
silumos sugerimas

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7
Q

degimas

A

greita daug silumos isskirianti nedziagos reakcija su deguonimi

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