Alcani-Berche

Quiz
•
Chemistry
•
5th - 11th Grade
•
Hard
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alcanii sunt hidrocarburi?
ciclice
aciclice
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este formula generala a alcanilor?
C n H 2n + 2
C n H 2n-6
CH4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alcanii nu sunt solubili în apă, dar sunt solubili în solvenţi nepolari.
Adevarat
Fals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2-metilbutanul
are în molecula sa 4 atomi de carbon
are în molecula sa 3 atomi de carbon primari
prezintă catenă saturată
este izomer cu n-butanul
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La ce temperatura are loc reactia de izomerizare?
400°C
50°C-100°C
200°C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alcanul care conţine 81.82 % C, în procente de masă este:
Etanul
Propanul
Butanul
Pentanul
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Ce este propanona?
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