Hvernig fær maður efnafræðilega hreint vatn
Efnisheimurinn kafli 1 (10-2)

Assessment
•
Jón Aðalsteinn Brynjólfsson
•
Chemistry
•
10th Grade
•
40 plays
•
Medium
Student preview

28 questions
Show all answers
1.
MULTIPLE CHOICE
30 sec • 1 pt
2.
MULTIPLE CHOICE
30 sec • 1 pt
Hvaða meginflokka má skipta efnum í
3.
MULTIPLE CHOICE
30 sec • 1 pt
Hvaða vísindamaður var fyrstur til að sundra vatni í tvö efni
4.
MULTIPLE CHOICE
30 sec • 1 pt
Hvaða ár var vatni sundrað í frumefni í fyrsta skipti
5.
MULTIPLE CHOICE
30 sec • 1 pt
Hvernig finnur maður út hvort efni er frumefni eða efnasamband?
6.
MULTIPLE CHOICE
30 sec • 1 pt
Hvað er mjólk dæmi um?
7.
MULTIPLE CHOICE
30 sec • 1 pt
Hvað stendur Li fyrir?
8.
MULTIPLE CHOICE
30 sec • 1 pt
Hver blés nýju lífi í efnafræðina
9.
MULTIPLE CHOICE
30 sec • 1 pt
Hvað er hreint vatn?
10.
MULTIPLE CHOICE
30 sec • 1 pt
Hvað er hamskipti?
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