Kisele, lužnate i neutralne otopine
Quiz
•
Chemistry
•
7th Grade
•
Medium
katarina sabolić
Used 26+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je neka otopina kiselina pH vrijednost će biti od
0 do 7
0 do 6
8 do 14
6 do 8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je neka otopina lužnata pH vrijednost će biti od
0 do 7
7 do 14
8 do 14
6 do 14
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je pH neke otopine 2 ta otopina je
kisela
lužnata
neutralna
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je pH neke otopine 7 ta otopina je
neutralna
kisela
lužnata
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kakva je otopina, ako fenolftalein u otopini promjeni boju kao na slici?
neutralna
kisela
lužnata
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Odaberi točne tvrdnje koje se odnose na promjene na promjenu sa slike.
Otopina je na početku bila kisela.
Otopina je postala lužnata.
Otopina je na početku bila lužnata.
Otopina je na početku bila neutralna.
Otopina je postala neutralna.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što možemo zaključiti o otopini na temelju promjena koje su se odgodile na lakmus papirima?
Otopina je neutralna.
Otopina je kisela.
Otopina je lužnata.
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