formule

Question 1

stajanje natrija na zraku

Answer 1

4Na+O2+4CO2+2H2O->4NaHCO3

Question 2

gorenje litija

Answer 2

4Li+O2->2Li2O

Question 3

gorenje natrija

Answer 3

2Na+O2->Na2O2

Question 4

gorenje kalija

Answer 4

K+O2->KO2

Question 5

natrij+voda

Answer 5

2Na+2H2O->2NaOH+H2

Question 6

natr.peroksid+voda

Answer 6

2Na2O2+2H2O->2NaOH+O2

Question 7

natr.hidroksid+uglj.dioks.

Answer 7

CO2+NaOH->NaHCO3
CO2+2NaOH->Na2CO3+H2O

Question 8

otapanje natr.hidroksida u vodi

Answer 8

NaOH->Na+ + OH-

Question 9

neutralizacija sol.kis. sod.bikarb.

Answer 9

NaHCO3+HCl->NaCL+CO2+H2O

Question 10

fluorit

Answer 10

CaF2

Question 11

gips

Answer 11

CaSO4*2H2O

Question 12

dolomit

Answer 12

CaCO3*MgCO3

Question 13

kalc.hidro.(gašeno vapno)

Answer 13

Ca(OH)2

Question 14

kalc.oksid(živo vapno)

Answer 14

CaO

Question 15

fosforit

Answer 15

Ca3(PO4)2

Question 16

gorenje kalcija na zraku

Answer 16

2Ca+O2->2CaO
3Ca+N2->Ca3N2

Question 17

kalc s vodikom

Answer 17

Ca+H2->CaH2

Question 18

kalc. s vodom

Answer 18

Ca+2H2O->H2+Ca(OH)2

Question 19

kalc+kiselina

Answer 19

Ca+2HCl->CaCl2+H2
Ca+H2SO4->CaSO4+H2
3Ca+2H3PO4->3H2+Ca3(PO4)2

Question 20

nastajanje stalaktita

Answer 20

Ca(HCO3)2->CaCO3+H2O+CO2

Question 21

žarenje vapnenca

Answer 21

CaCO3->CaO+CO2
CaO+H2O->Ca(OH)2

Question 22

sušenje žbuke

Answer 22

Ca(OH)2+CO2->CaCO3+H2O

Question 23

otapanje kamenca

Answer 23

CaCO3+2HCl->CaCl2+H2O+CO2

Question 24

hematit

Answer 24

Fe2O3

Question 25

magnetit

Answer 25

Fe3O4

Question 26

limonit

Answer 26

Fe2O3*H2O

Question 27

siderit

Answer 27

FeCO3

Question 28

pirit

Answer 28

FeS2

Question 29

halkopirit

Answer 29

CuFeS2

Question 30

halkozin

Answer 30

Cu2S

Question 31

kuprit

Answer 31

Cu2O

Question 32

bordoška juha

Answer 32

Cu2+ + 2OH- ->Cu(OH)2

Question 33

bakar i sump.kis

Answer 33

Cu+2H2SO4(conc.)->CuSO4+SO2+2H2O

Question 34

bakar i dušična otopina

Answer 34

3Cu+8HNO3(aq)->3Cu(NO3)2+2NO+4H2O

Question 35

bakar i dušična konc.

Answer 35

Cu+4HNO3(conc.)->Cu(NO3)2+2NO2+2H2O

Question 36

boksit

Answer 36

Al2O3*H2O

Question 37

bemit

Answer 37

AlO(OH)

Question 38

hidragilit

Answer 38

Al(OH)3

Question 39

amf.al. kraća

Answer 39

2Al+6HCl->2AlCl3+3H2

Question 40

amf.al.duža

Answer 40

2Al+2NaOH+&H2O->2Na[Al(OH)4]+3H2

Question 41

dob.vodika, hidrid+voda

Answer 41

CaH2+2H2O->Ca(OH)2+H2

Question 42

dob.vodika, met+kis

Answer 42

Zn+2HCl->ZnCl2+H2

Question 43

elektroliza vode

Answer 43

2H2O->2H2+O2

Question 44

kipp., vodik

Answer 44

Zn+2HCl->ZnCl2+H2

Question 45

kipp., uglj.dioks.

Answer 45

CaCO3+2HCl->CaCl2+H2O+CO2

Question 46

kipp., sumporvodik

Answer 46

FeS+2HCL->FeCl2+H2S

Question 47

dobivanje klora

Answer 47

2KMnO4+16HCl->5Cl2+2MnCl2+2KCl+H2O

Question 48

dokazivanje klora

Answer 48

AgNO3+NaCl->AgCl+NaNO3

Question 49

dobivanje kisika(žar.KMnO4)

Answer 49

2KMnO4->K2MNO4+MnO2+O2

Question 50

dobivanje kisika (žar.KClO3)

Answer 50

2KClO3->2KCl+3O2

Question 51

sumporvodik

Answer 51

FeS+2HCl->H2S+FeCl2