ALCHINE - BAC

ALCHINE - BAC

10th Grade

10 Qs

quiz-placeholder

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ALCHINE - BAC

ALCHINE - BAC

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

Anca Timotin

Used 7+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Alchina care are 7 atomi in molecula:

poate fi 1-heptina

este omologul superior al etinei

este lichida

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Este adevarata afirmatia:

alchina C4H6 prezinta izomerie de catena

alchinele au formula generala CxH2x-4

etina si 1-butina sunt omologi

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pentru reactia de obtinere a acetilenei din carbid, este falsa afirmatia:

reactia este exoterma

se formeaza si var stins

sunt necesari 2 moli de H2O pentru 1 mol de CaC2

reactia este endoterma

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sunt corect descrise reactiile:

etina + 2Cl2 (in prezenta de CCl4) = compus diclorurat nesaturat

acetilena + HOH(HgSO4, H2SO4) = CH3-CH=O

acetilena + 2HCl = 1,2-dicloroetena

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Este izomer de pozitie cu 1-pentina:

2-pentina

3-metil-1-butina

1-butina

izprenul

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Despre polimerizarea acrilonitrilului, este falsa afirmatia:

se obtin mase plastice

polimerul are formula

-(C3H3N)n-

se obtin fibre sintetice

polimerul este un compus nesaturat

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Despre arderea acetilenei, este adevarata afirmatia:

reactia este endoterma

se formeaza CO si H2O

reactia este folosita la functionarea suflatorului oxiacetilenic

din 1 mol de acetilena se formeaza 1 mol de CO2 si 1 mol de H2O

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