
Chemické prvky
Authored by Martin Uchnár
Chemistry
8th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Který z následujících prvků není plynný nekov?
Vodík
Kyslík
Chlór
Fosfor
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Který kov se používal na výrobu okapů a střešních krytin?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Který prvek tvoří dvouatomové molekuly?
jód
sodík
uhlík
helium
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Slinitina obsahující rtuť se jmenuje:
bronz
mosaz
amalgám
korund
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Umělá forma uhlíku přidávaná do pneumatik se nazývá:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koroze se vyskytuje u:
Zlata
Titanu
Železa
Mědi
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Slitina jakých kovů je součástí obleku, který používal Tony Stark
(Iron Man)?
Zlato + stříbro
Titan + železo
Měď + cín
Zlato + titan
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