kimi 11 konkurs

kimi 11 konkurs

10th - 12th Grade

11 Qs

quiz-placeholder

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kimi 11 konkurs

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Assessment

Quiz

Chemistry

10th - 12th Grade

Hard

Created by

Blerina Laze

Used 5+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Elementi I cili e shnderron energjine kimike ne elektrike eshte

· Elementi galvanic

Elementet elektrolitik

element elektrokimik

element voltaik

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Gjate elektrolizes se tretesires ujore te NaNO3 me elektroda pasive clirohet

Na dhe H2

H2 dhe O2

Na dhe O2

N dhe Na

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Metali I cili nuk cliron H2 kur tretet ne HCl eshte

Zn

Fe

Ag

Ca

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jepet reaksioni CH4+Cl2=CH3Cl+HCl.Duke ditur se energjite e lidhjeve te reaktanteve dhe produkteve jane sipas rradhes

C-H 410 KJ, Cl-Cl 242 Kj ,C-Cl 340 KJ,H-Cl 431 Kj ,vlera e DH se reaksionit eshte

270 Kj

-270Kj

-119Kj

119Kj

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Për reaksionin që zhvillohet në kushte standarde: N2(g) + 3H2(g) → 2NH3(g), ∆H= –92 kJ .Entalpia standarde e formimit të nje moli amoniakut është :

-46 Kj

-92 Kj

46 Kj

92 Kj

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Një element galvanik është i ndërtuar nga elektroda standarde e magnezit (E0Mg2+/ Mg = - 2,37 V) dhe elektroda standarde e argjendit

(E 0 Ag + / Ag = + 0,80V). Forca elektromotore e këtij elementi është

3.17 v

-3.17 v

1.57

-1.57

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Ne cilen nga perberjet e meposhteme klori shfaq numrin e oksidimit +7

KCl

KClO

KClO3

KClO4

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