
Quiz despre alcani
Authored by STELA BLAJ
Chemistry
10th Grade

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este formula generală a alcanilor?
CnH2n
CnH2n+2
CnH2n-2
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Completează spațiile libere Metan: C_ H_ → C1 H4 Etan: C_ H_ → C2 H6 Propan: C_ H_ → C3 H8
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Potrivește denumirea cu formula Metan → CH₄ Etan → C₂H₆ Propan → C₃H₈ Butan → C₄H₁₀
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Adevărat sau Fals Alcanii sunt hidrocarburi nesaturate. Formula butanului este C₄H₁₀. Metanul este lichid la temperatura camerei.
Adevărat
Fals
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Clasificare reacții Halogenare: CH₄ + Cl₂ → CH₃Cl + HCl Combustie: C₃H₈ + O₂ → CO₂ + H₂O Obținere: C₂H₄ + H₂ → C₂H₆
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6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Completează propoziția Alcanii sunt ___________ (saturați/nesaturați) și au formula generală ___________ (CnH2n+2/CnH2n).
saturați
nesaturați
CnH2n+2
CnH2n
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Creează lanțul corect Pune în ordine crescătoare: CH₄, C₂H₆, C₃H₈, C₄H₁₀
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