
Efnisheimurinn kafli 1
Authored by Jón Aðalsteinn Brynjólfsson
Chemistry
10th Grade
Used 28+ times

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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hver er formúla vatns?
H2O
Co2
H
Ho2
V3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formúla...
segir okkur úr hvaða frumefnum blandan er
er föst efni
leysir efnin upp
er tugabrot
tegund af mæliglasi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvað er hreint vatn?
efnasamband
efnablanda
frumuefni
gufun
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvað er vökvahamur?
fljótandi ástand
loftkennt ástand
fast ástand
vatns ástand
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvað af þessu er frumefni?
S
H2O
HCI
CO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Efnasamband er...
skrifað með formúlu
annað orð yfir frumefni
það sama og efnablanda
efnabreyting
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eimað vatn er
Efnasamband
Frumefni
Efnablanda
Vatn
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