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RECAPITULARE CL. 10

Authored by Berbece Lidia

Science

2nd Grade

Used 11+ times

RECAPITULARE CL. 10
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9 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

CnH2n -2 este formula generala pentru:

alcani

alchene

alchine

alcadiene

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

CH3-CH=CH2 ; este:

un alcan

un acid

o alchena

o baza

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

CH4+Cl2------ este o ;

proprietate chimica

proprietate fizica

o utilizare

niciuna

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Butanul este:

solid

lichid

gazos

toate variantele

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Acetilena este:

partial solubila in apa

insolubila in apa

solida

toate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La alchene sunt specifice reactiile de:

substitutie

dehidrogenare

piroliza

aditie

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Alchinele contin:

legatura dubla

legatura simpla

legatura tripla

2 legaturi duble

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