
Hrom i mangan
Authored by Loreana Nedeljković
Chemistry
9th - 12th Grade
Used 1+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
da li je hrom prelazni metal?
da
ne
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
koje boje je hrom?
plave
crvene
srebrnastosive
crvenkastobraon
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
koja su svojstva hroma?
visoka temperatura topljenja
tvrd
mek
niska temperatura topljenja
ima magnetna svojstva
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
koje boje je mangan?
žute
sivobele
narandzaste
srebrnastosive
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
mangan se u reakciji sa razblazenim kiselinama lako oslobadja vodonika, gradeci soli u kojima je oksidacionog stanja +2
tačno
netačno
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
koje oksidacione brojeve moze imati hrom u svojim jedinjenjima?
+2
+1
+3
-2
+6
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
koje oksidacione brojeve moze imati mangan u svojim jedinjenjima?
-1
+2
+4
+3
+7
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