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10 Qs

quiz-placeholder

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Assessment

Quiz

Chemistry

8th Grade

Medium

Created by

Constantin Ichim

Used 432+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sărurile acidului sulfuric se numesc ...

sulfuri

sulfiți

sulfați

clorați

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Piatra vânătă este ....

CuCl2

CuSO4

CuCO3

CuS

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

În alimentație folosim ....

clorură de calciu

clorură de potasiu

clorură de sodiu

clorură de fier

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Piatra iadului are formula ....

AgCl

AgSO4

AgNO3

AgI

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sărurile sunt substanțe ...

gazoase

lichide

solide

simple

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cristalohidratul este ...

CuSO4

CuCl2

CuSO4*H2O

CuO

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Prin descompunerea termică a carbonaților se obține un gaz ....

CO

SO2

SO3

CO2

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