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Efnisheimurinn kafli 1

Authored by Jón Aðalsteinn Brynjólfsson

Chemistry

10th Grade

Used 28+ times

Efnisheimurinn kafli 1
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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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