
Komodity - 8. prednáška - drahé kamene
Authored by Peter Árendáš
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University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
18-karátový diamant obsahuje
Približne 18% uhlíka
Neobsahuje uhlík
Približne 82% uhlíka
Takmer 100% uhlíka
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Medzi najväčších svetových producentov diamantov nepatrí
Botswana
Sierra Leone
Bahrajn
JAR
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pri drahých kameňoch 1 karát predstavuje
0,2 gramu
2 gramy
20 miligramov
20 gramov
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Najväčší opál v histórii bol nájdený na Slovensku, v opálových baniach pri Luníku
Pravda
Nepravda
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Produkcia umelých rubínov v posledných rokoch výrazne zrazila cenu rubínov na svetových trhoch
Pravda
Nepravda
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Krvavé diamanty patria medzi fancy diamanty
Pravda
Nepravda
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zoraďte stupne čistoty diamantu od najvyššieho po najnižší
Flawless, Internally flawless, Very slightly included, Very very slightly included
Flawless, Internally flawless, Very slightly included, Imperfect
Internally flawless, Imperfect, Very slightly included, Included
Slightly included, Very slightly included, Very very slightly included, Imperfect
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