
Chimie-combustibili 8A
Authored by Violeta Ropan
Chemistry
1st Grade
Used 31+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cel mai vechi cărbune este:
antracitul
huila
lignitul
turba
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Petrolul :
poate fi separat în componente prin decantare
poate fi separat în componente în termocentrale
este un lichid vâscos insolubil în apă
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Gazele naturale :
conțin în mare parte hidrogen
poluează mai mult decât alți combustibili
sunt amestecuri inflamabile,inodore,colorate
sunt amestecuri inflamabile,inodore,incolore
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Metanul este un gaz:
cu miros neplăcut de sulf
incolor
cu densitatea mai mică decât apa
care se dizolvă în apă
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Metanul se obține în laborator :
printr-o reacție de ardere
printr-o reacție de dublă înlocuire
printr-o reacție exotermă
printr-o reacție de înlocuire
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
În care din zăcămintele următoare nu se găsește metan:
gaz de sondă
gaz grizu
gaz de baltă
gaz de cocserie
gaze naturale
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Principala componentă a petrolului este:
Benzina
Motorina
Hidrocarburile
Păcura
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