Test-Chimie

Test-Chimie

10th Grade

25 Qs

quiz-placeholder

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Test-Chimie

Test-Chimie

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

DraAn Ra

Used 39+ times

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25 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Formula generala a alcanilor este...

CnHn+2

CnH2n

CnH2n+2

CnH2n-2

CnH2n+1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxidarea completa/totala se mai numeste...

SATURARE.

ARDERE.

OXIGENARE.

DEHIDROGENARE.

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Bifati afirmatiile corecte. (nu e numai una)

Omologii C2H6 formeaza la monohalogenare amestec de derivati monohalogenati izomeri.

Punctele de fierbere/topire cresc cu cresterea numarului de atomi de C.

Alcanii au de 3 ori mai multi atomi de H decat alchenele.

CH3-Cl este clorura de metilen.

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Bifati afirmatiile false. (nu e numai una)

Reactivitatea alcanilor este mare.

Halogenarea consta in introducerea halogenului in molecula unei substante.

CH3-CH=CH2 se numeste 2-propena.

Alcanii cu un numar de cel putin 17 atomi de C sunt solizi.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1 Kcal (Kilo-calorie)=...

4,5 KJ (Kilo-Joule)

4,125 KJ

4,185 KJ

5 KJ

0 KJ

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In ce interval/conditii de temperatura are loc cracarea?

200-400 grade Celsius

400-600 grade Celsius

260-870 grade Celsius

400-650 grade Celsius

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In urma cracarii se obtin...

alcani+alchene

alchene+CO2

alchene+H2

alchene

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