Posphorus
9th Grade
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Posphorus
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Yanov Andrew
Used 1+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Формула фосфора
P
H
O
N
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
В состав минерала апатита входит фосфат кальция. Выберите верную формулу фосфата кальция:
Ca3(PO4)2
Ca2(PO4)3
Ca2(PO3)3
CaPO4
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Белый фосфор. Выберите подходящие этому веществу характеристики:
Ядовит
Активно окисляется на воздухе
Является аллотропной модификацией фосфора
Не реагирует с водой
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Оксиду P2O5 соответствует следующая кислота:
H3PO3
H2PO4
H3PO4
H2PO3
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выберите лишнее
S
K
B
Mg
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выберите лишнее
Mo
Co
Si
K
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выберите вещества, которые можно отнести к селитрам:
NaNO3
Нитрат калия
Cu(NO3)2
NH4NO3
Zn(NO3)2
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