
Ch8 - I., II., VII. a VIII. skupiny
Quiz
•
Chemistry
•
8th Grade
•
Hard
J M
Used 10+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
I.A skupina se nazývá
kovy alkalických zemin
alkalické kovy
halogeny
vzácné plyny
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
II.A skupina se nazývá
kovy alkalických zemin
alkalické kovy
halogeny
vzácné plyny
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
VII.A skupina se nazývá
kovy alkalických zemin
alkalické kovy
halogeny
vzácné plyny
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
VIII.A skupina se nazývá
kovy alkalických zemin
alkalické kovy
halogeny
vzácné plyny
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dva nejrozšířenější prvky ve vesmíru, konkrétně na hvězdách jsou
He, O
H, Fe
H, He
He, Fe
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Společnou vlastností H a He je
jsou hořlavé
mají menší hustotu než vzduch
mají větší hustotu než vzduch
jsou nehořlavé
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vodík se dá v laboratoři připravit reakcí kyseliny chlorovodíkové a
Mg
O2
He
Cl2
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