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Oksidi, kiseline i baze

Authored by Danijela Gligorić

Chemistry

7th Grade

Used 7+ times

Oksidi, kiseline i baze
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13 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1. Označi formulu kiseline:

HCl

CO

NaOH

H2SO4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2. Označi formulu amonijum-hidroksida:

NaOH

NaCl

Al(OH)3

NH4OH

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

3. Označi tačno tvrđenje:

Baze su čvrste, lekovite supstance.

Baze su tečne, otrovne supstance

Baze su lekovite, gasovite supstance

Baze su čvrste, otrovne supstance

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4. Baze ove sadrže:

vodonik

hidroksilnu grupu

kiselinski ostatak

amonijum jon

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

5. CaO je:

kalcijum-hidroksid

ugljenik(II)-oksid

kalcijum-oksid

kalcijum(II)-hidroksid

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

6. Fenolftalein je u rastvoru sode - bikarbone:

bez boje

ružičaste boje

crvene boje

žute boje

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

7. U sirćetu se plavi lakmus papir boji:

crveno

plavo

žuto

ljubičasto

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