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Gostota in topnost alkoholov v vodi

Authored by Mateja K

Chemistry

9th Grade

Used 4+ times

Gostota in topnost alkoholov v vodi
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7 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Na sliki je model alkohola. Za kateri alkohol gre?

etanol

pentan-1-ol

etanojska kislina

metanol

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Na sliki je model alkohola. Za kateri alkohol gre?

butanojska kislina

butan-1-ol

butan

butan-2-ol

3.

MULTIPLE SELECT QUESTION

1 min • 2 pts

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Na sliki je strukturna formula alkohola. Označi pravilne trditve.

Gre za pentanol.

Gre za etanol.

Molekulska formula je C2H5OH.

Molekulska formula je C5H11OH.

4.

MULTIPLE SELECT QUESTION

1 min • 2 pts

Na katerih slikah je prikazan alkohol propan-2-ol?

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5.

MULTIPLE SELECT QUESTION

1 min • 2 pts

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Označi pravilne trditve.

Pentan-1-ol in butan-1-ol sta dobro topna v vodi.

Pentan-1-ol in butan-1-ol sta slabo topna v vodi.

Metanol je dobro topen v vodi.

Metanol je slabo topen v vodi.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Označi pravilno trditev.

Kjer sta 2 plasti, je zgoraj alkohol, spodaj pa voda.

Kjer sta 2 plasti, je zgoraj voda, spodaj pa alkohol.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Alkoholi (metanol, etanol, propan-1-ol, butan-1-ol, pentan-1-ol) imajo VEČJO gostoto od vode.

Drži.

Ne drži.

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