Otopine
Authored by Vesna Jeremić
Chemistry
7th Grade
Used 4+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Otopine su:
Homogene smjese
Elementarne tvari
Kemijski elementi
Heterogene smjese
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kisela otopina je:
Otopina sode bikarbone
Alkohol etanol
Sok od limuna
Otopina amonijaka
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indikatori za dokazivanje lužina su:
univerzalni lakmus papir
Crveni lakmus papir
Metiloranž
Bakrov (II) sulfat
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Bakrov (II) sulfat je reagens za dokazivanje
(a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
U vodi se otapa:
kreda
kuhinjska sol
ulje
benzin
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