
Minerály
Authored by Tomáš Javorský
Biology
4th Grade
Used 7+ times

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20 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Vyberte správné kombinace prvek - jeho ruda
olovo - galenit
stříbro - galenit
železo - siderit
rtuť - cinabarit
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Které prvky se v přírodě vyskytují jen ve sloučeninách?
vápník
měď
uhlík
křemík
3.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Kdo je objevitelem teorie radioaktivity?
4.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Rozpadem kterého minerálu vzniká radium a polonium?
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Mezi sírany NEPATŘÍ
pyrit
sádrovec
baryt
dolomit
6.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Jak se jmenuje minerál ne obrázku? Doplním, že je relativně těžký a má hnědou barvu vrypu.
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Desetikarátový diamant váží
2 g
20g
5 g
50 g
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