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Baze

Authored by Constantin Ichim

Chemistry

8th Grade

Used 642+ times

Baze
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Recunoști formulele bazelor după prezența ...

SO4

CO3

OH

NO3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

În formulele bazelor găsești ....

2 atom de metal

1 atomi de metal

4 atomi de metal

3 atomi de metal

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Potasa caustică are formula ...

NaOH

KOH

K2O

K2SO4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Baza solubilă în apă este ..

Cu(OH)2

Fe(OH)3

LiOH

Zn(OH)2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Alege baza din formulele de mai jos ...

NO2

CH4

NH3

H2S

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hidroxidul feric are formula ...

Fe(OH)3

FeOH

Fe(OH)2

FeOH)4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Bazele colorează fenolftaleina în ..

albastru

violet

roșu carmin

incolor

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