8. CHEMINĖS REAKCIJOS
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Vygandas Marozas
Used 30+ times
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16 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Kurie, iš žemiau pateiktų kitimų, yra cheminiai?
Vandens virimas
Šokolado lydimasis
Geležies rūdijimas
Vaisių puvimas.
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Kurie, iš žemiau pateiktų kitimų, yra fizikiniai?
Garų kondensacija.
Tešlos iškilimas.
Ledų tirpimas.
Deguonies ir natrio sąveika.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuri vandens formulė parašyta teisingai?
HO
HO2
H2O
H2O2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuri natrio oksido formulė parašyta teisingai?
NaO
NaO2
Na2O
Na2O2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuri magnio oksido formulė parašyta teisingai?
MgO2MgO
Mg2O2
MgO2
Mg1O1
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuri natrio chlorido formulė teisinga:
Na1Cl1
NaCl
Na3Cl1
NaCl5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuri aliuminio sulfido formulė parašyta teisingai:
Al2S3
Al4S3
Al6S3
Al2S
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