cl.8 Clasele de substanțe anorganice

cl.8 Clasele de substanțe anorganice

Professional Development

10 Qs

quiz-placeholder

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cl.8 Clasele de substanțe anorganice

cl.8 Clasele de substanțe anorganice

Assessment

Quiz

Chemistry

Professional Development

Hard

Created by

Viorica Bludaru

Used 8+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

substanțe care își schimbă culoarea sub influența mediului...

acizi

baze

indicatori

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

HR este formula generală pentru...

acizi

baze

săruri

oxizi

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Culoarea fenolftaleinei în mediul bazic este

roșu

albastru

roz zmeuriu

galben

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Zn+2HCl=...

ZnCl2+2H2

2ZnCl2+H2

ZnCl2+H2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Oxizii bazici pot interacționa cu...

oxizii acizi, oxizii bazici

oxizii acizi, acizii

oxizii bazici, acizii

oxizii acizi, sărurile

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Descompunerea calcarului...

CaCO3=Ca+CO3

CaCO3=CaO+CO2

CaCO3=CaO2+CO

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Formula acidului clorhidric...

H2Cl

HCl

CH4

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