2.B - opakování

2.B - opakování

9th - 12th Grade

10 Qs

quiz-placeholder

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2.B - opakování

2.B - opakování

Assessment

Quiz

Chemistry

9th - 12th Grade

Hard

Created by

sára buryšová

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jakého oxidačního čísla nabývá kyslík ve sloučeninách?

-I

+II

-II

+III

2.

DRAW QUESTION

3 mins • 1 pt

Nakreslete molekulu vody

Media Image

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Vodík má hustotu ------ než vzduch

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Molekula vody má tvar

lineární

lomený

cyklický

oktaedr

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Která z těchto bezkyslíkatých kyselin je nejsilnější?

HI

HCl

HBr

HF

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

3 atomovou molekulu kyslíku nazýváme

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Jak dostaneme kyslík ze vzduchu?

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