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8th Grade
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Химические вопросы
Quiz
•
Chemistry
•
8th Grade
•
Hard
Катя Цюпай
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень окисления азота в HNO2 равна:
+3
+5
-3
-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула фосфида кальция:
CaP
Ca5P2
Ca3P2
Ca2P3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Монооксид углерода и углекислый газ - это:
CO2 и CO
CO
CO и CO2
CO2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула негашеной извести - это:
Al2O3
K2O
Ca(OH)2
CaO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула нерастворимого основания:
MgO
H2SiO3
Mg(OH)2
NaOH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Двухосновная бескислородная кислота - это:
HCl
Ba(OH)2
H2S
H2SO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула азотистой кислоты:
HNO3
HNO2
H3N
HN3
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