Završni ispit 3

Završni ispit 3

1st - 3rd Grade

10 Qs

quiz-placeholder

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Završni ispit 3

Završni ispit 3

Assessment

Quiz

Chemistry

1st - 3rd Grade

Hard

Created by

Danijela Gligorić

Used 14+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jonska veza se formira između sledeći elemenata:

metala i metala

metala i nemetala

nemetala i plemenitih gasova

plemenitih gasova i metaloida

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Za uklanjanje masne mrlje sa neke tkanine najbolje je upotrebiti:

tečnu smešu alkana

vodeni rastvor sirćetne kiseline

koncentrovanu sumpornu kiselinu

70%-ni rastvor etanola

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Pronađi jone:

H, N, Ag, O

H+, Ag+

N3-, O2-

N2, O2, H2O

4.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Homogene smeše nazivaju se

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Za kalcijuma važe sledeća tvrđenja:

to je nemetal

to je metal

lako reaguje sa vodom

ne reaguje sa vodom

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kako treba označiti jone nastale kada dva atoma elementa A predaju po jedan elektron atomu elementa B.

2A+ i 2B-

2A+ i B2-

A2- i 2B+

2A- i B2+

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Koje od datih tvrdnji se odnose na kiseline?

Imaju pH niže od 7

Imaju pH iznad 7

Menjaju boju crvenog lakmus papira u plavo

Menjaju boju plavog lakmusa u crveno

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