Který z uvedených sulfidů je rudou mědi?

MINERALOGICKÝ SYSTÉM 1

Quiz
•
Science
•
9th Grade
•
Medium
Hana Hedbávná
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
pyrit
chalkopyrit
sfalerit
galenit
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Vyber vzorec pro halit (sůl kamennou):
NaCl
CaF2
SiO2
ZnS
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Co NEPLATÍ pro síru?
vyrábí se z ní kyselina sírová
vyrábí se z ní střelný prach
vyrábí se z ní hnojiva
vyrábí se z ní mikroprocesory
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Který z uvedených drahých kamenů patří mezi prvky?
diamant
topaz
rubín
safír
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Významnou rudou olova je sulfid:
pyrit
sfalerit
galenit
chalkopyrit
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
K výrově teflonu, leptaných skel nebo jako přísada do zubních past se používá nerost:
halit
fluorit
chalkopyrit
grafit
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nekovový prvek, který výborně vede elektrický proud, je
stříbro
zlato
síra
grafit
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