chalkogeny Flashcards

-kyslik+ozon,síra (18 cards)

1
Q

jake prvky se zde nachazi?

A

kyslik a sira

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2
Q

kde se vyskytuje kyslik?

A

ve vzduchu/atmosfere(21./:),sluceninach,biogenni prvek-bilkoviny a tuky

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3
Q

jake tvori molekuly?

A

dvou a trojatomove molekuly

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4
Q

jaky je kyslik?

A

bezbarvi plyn bez chuti a zapachu,reaktivni a tezsi nez vzducch

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5
Q

co je to ozon?

A

trojatomova molkeula kysliku

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6
Q

co tvori ozon?

A

ozonovou vrstvu ktera chrani planetu pre uv zarenim

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7
Q

vlastnosti ozonu?

A

jedovaty namodraly plyn

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8
Q

vyroba kysliku?

A

fotosynteza nebo destilace zkapalneneho vzduchu

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9
Q

v cem se uchovava kyslik?

A

ocelovych lahvich s modrym pruhem

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10
Q

co je to ozonova dira?

A

misto kde je obsah ozonu v ozonove vrstve mensi

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11
Q

co zpusobuje ozonovou diru?

A

freon-spreje lednicky

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12
Q

kde se vyskytuje sira?

A

slouceniny(sadrovec) a biogenni prvek-bilkoviny

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13
Q

na co se deli sira?

A

krystaůicka sira,sirny kvet, plastickca sira

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14
Q

co je to sira?

A

krystalicka zluta latka

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15
Q

co je to plasticka sira?

A

chlazeni roztavene siry(je po tom pruzna)

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16
Q

co je to sirny kvet?

A

zluty prasek ktery vznika ochlazeni par siry

17
Q

na co se vyuziva sira?

A

pryze a gumy,kyselina sirova

18
Q

na co se vyuziva kyslik?

A

cisteni odpadnych vod