
Foszfor és vegyületei
Authored by Varga Bertalan
Chemistry
9th Grade
Used 21+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Mi igaz a foszforra?
V. főcsoportbeli elem
öt párosítatlan elektronpárja van
F a vegyjele
öt vegyértékelektronja van
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Melyik a foszfor két allotrop módosulata?
sárga
fehér
vörös
kék
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hogyan kell tárolni a fehérfoszfort?
szigorúan vízmentes körülmények között
petróleum alatt
víz alatt
levegőn
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Miben oldódik a vörösfoszfor?
vízben
zsírokban, olajokban
egyikben sem
toluolban
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Melyik foszformódosulat mérgező?
vörösfoszfor
fehérfoszfor
mindkettő
egyik sem
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Melyik állítás igaz?
A vörösfoszfor olvadáspontja magasabb, mint a fehérfoszforé.
A vörösfoszfor szagtalan, a fehérfoszfor jellegzetes szagú.
A mai gyufák vörösfoszfort tartalmaznak.
A vörösfoszfor gyulladáspontja alacsonyabb, mint a fehérfoszforé.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mivé ég el a foszfor?
foszfor-dioxid - PO2
foszfor-tetraoxid PO4
difoszfor-pentaoxid - P2O5
foszfor(III)-oxid - P2O3
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