Kemian kertaus
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Anne-Elina Kinnunen
Used 6+ times
FREE Resource
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28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektronin sähkövaraus on
negatiivinen
positiivinen
varaukseton
Answer explanation
Protonin sähkövaraus on positiivinen ja neutronit oat varauksettomia.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomin ytimessä ovat
protonit ja elektronit
protonit ja neutronit
neutronit ja elektronit
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hapen kemiallinen merkki on
O
H
I
N
Answer explanation
H on vety, I on jodi ja N on typpi.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hiilen kemiallinen merkki on
H
C
Fe
Ca
Answer explanation
H on vety, Fe on rauta ja Ca on kalsium.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomeja, joiden ytimessä on sama määrä protoneja, mutta neutronien määrä voi vaihdella, kutsutaan
isotoopeiksi
katalyyteiksi
ioneiksi
okteteiksi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sekakoosteinen eli heterogeeninen seos
on kauttaaltaan samanlainen.
on seos, jonka eri aineet voidaan nähdä.
tarkoittaa aineen olomuotoaluetta.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tislaamalla
voidaan erottaa liuoksesta kiinteä aine.
voidaan erottaa kiinteä aine nesteestä.
voidaan erottaa neste toisesta nesteestä.
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