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Puferi

Authored by Helena Bogunović

Chemistry

2nd Grade

Used 1+ times

Puferi
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6 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Označi točan/točne odgovore! Pufer je smjesa:

Jake kiseline i slabe kiseline

Jake baze i slabe baze

Slabe kiseline i njezine konjugirane baze

Slabe baze i njezine konjugirane kiseline

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mjera sposobnosti pufera da se odupre promjeni pH-vrijednosti naziva se ?

pH vrijednost pufera

Kapacitet pufera

Konstanta ionizacije, Ka

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Što je od navedenog KISELI pufer?

NH4OH/NH4Cl

NaHCO3/Na2CO3

HCOOH/HCOONa

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kada se u pufer dodaje kiselina, ona će u puferu reagirati sa njegovom ?

Bazom

Kiselinom

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Najvažniji pufer u ljudskom organizmu je?

Karbonatni

Proteinski

Fosfatni

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Puferi u ljuskom organizmu sprječavaju nastajanje ?

Hipertenzije/hipotenzije

Acidoze/alkaloze

Vazokonstrikcije/vazodilatacije

Hipertermije/hipotermije

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