druskos Flashcards

1
Q

druska

A

kietos ivairiu spalvu kristalines medziagos, joniniai junginiai, palyginti kieti, sunkiai lydomi ir nelakūs;
sudetines medz, sudarytos is metalo arba amonio jono ir rugsties liekanos

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2
Q

kristalohidratai

A

kristalines medziagos, sudarytos is chemizkai prisijungusio vandens(hidrato), o kristale esantis chemiskai susijunges vanduo -kristalizacinis vanduo

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3
Q

neutralizacija

A

reakcija tarp rugsties ir bazes kai susidaro druska ir vanduo

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4
Q

kalcio sulfato hidratas(gipsas)

A

CaSO4 • 2H2O

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5
Q

kas yra kalcio karbonatas

A

klintis

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6
Q

kalio nitratas

A

kalio salietra

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7
Q

natrio sulfato hidratas(glauberio druska)

A

Na2SO4•10H2O

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8
Q

natrio vandenilio karbonatas

A

NaHCO3

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9
Q

kalcio sulfato dihidratas

A

CaSO4•2H2O

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10
Q

Gelezies(III) sulfato hepahidratas

A

Fe2(SO4)3•7H2O

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11
Q

drusku bendros savybes

A
kietos kristalines medziagos
joniniai junginiai (NaCl)
Auksta lydymosi temp
Ivairiu spalvu
pagal tirpuma skirstomos:
1.Tirpios CuSO4(aq)
2.Ag2CO3
3.Netirpios CaCO3 (k) kreida
tirpios druskos disocijuoja
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12
Q

vario (II) sulfato pentahidratas

pavadinimas

A

CuSO4•5H2O (melynasis akmenelis)

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13
Q

natrio karbonato dekahidratas

pavadinimas

A

Na2CO3•10H2O(kalcinuota soda)

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