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Komodity - 8. prednáška - drahé kamene

Authored by Peter Árendáš

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Komodity - 8. prednáška - drahé kamene
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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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