Zlúčeniny sodíka majú veľmi široké uplatnenie v praxi či každodennom živote. Vytvorte správne dvojice:
a) NaHCO3 1) mydlo
b) Na2CO3 2) kuchynská soľ
c) NaClO 3) Glauberova soľ – požitie pri výrobe papiera
d) NaCl 4) sóda na pranie
e) NaNO3 5) dusíkaté hnojivo
f) Na2SO4.10H2O 6) zložka fotografického ustaľovača
g) Na2S2O3 7) trvalá ondulácia vlasov
h) Na2S 8) silné oxidovadlo – bielenie slamy, kostí
i) Na2O2 9) bielidlo, zložka Sava
j) C17H35COONa 10) sóda bikarbóna.
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