Rastvori

Rastvori

7th Grade

8 Qs

quiz-placeholder

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Rastvori

Rastvori

Assessment

Quiz

Chemistry

7th Grade

Practice Problem

Hard

Created by

Danijela Gligorić

Used 6+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Označi koja od ponuđenih supstanci je rastvor.

Voda

Pesak

Medicinski alkohol

Vodonik

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Šta od ponuđenih supstanci nije rastvor?

Fiziološki rastvor

Česmenska voda

Mleko

Izvorska voda

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rastvorljivost je broj grama rastvorene supstance u:

100g rastvora

100g rastvarača

1000g rastvora

10g rastvarača

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Prezasićeni rastvori su:

Stabilni

Nestabilni

Heterogene smeše

Čiste supstance

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Za gazirane pića koristi se:

O2

H2

CO

CO2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Čokolada je:

Homogena smeša

Heterogena smeša

Čista supstanca

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Čelik je:

Element

Jedinjenje

Homogena smesa

Heterogena smeša

8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ako je R neke supstance 5g to znači da se:

5g supstance nalazi u 100g rastvora

5g supstance nalazi u 100g rastvarača

5g supstance taloži