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sírany a fosforečnany

Authored by lea -

Biology

9th Grade

Used 4+ times

sírany a fosforečnany
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14 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

na co se používá Síran měďnatý?

na praní

levná náhražka plastu

impregnace dřeva proti hnilobě

barvení kůží

tvorba sádry na sádrové trpaslíky

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

co je na obrázku za síran?

(a)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

najděte síran

tyrkys

baryt

apatit

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

selenit je odrůda (a)  

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

co je na obrázku?

(a)  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

co z výběru má bílý vryp?

sádrovec

selenit

baryt

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

je toto síran?

ano, mě nenapálite

ne

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