
химия

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Alua Dossymkyzy
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
4.
Saltpeter, nitrogen, carbon
Hydrogen, sulfur, phosphorus
Coal, saltpeter, sulfur
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Who discovered the law of conservation of mass of substances?
Lomonosov
Bertholle
Mendeleev
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10)Мұнайдың физикалық қасиеттері
Май – ерекше иісі бар майлы сұйықтық.
Қатты кристалды зат.
Қара түсті,суда ериді.
Ол судан ауыр және суда ерімейді.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Карбонатты уақытша кермектілікті жою реакциясына жатады?
2 Fe(HCO3)2 + O2 + 2 H2O → 4 Fe(OH)3↓ + 8 CO2↑
MgSO4 + 2NaOH → Na 2SO4 + Mg(OH)2↓
CaSO4 + Na 2CO3 → Na 2SO4 + CaCO3↓
CaCl2 + Na2 CO3 → 2NaCl + CaCO 3↓
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Электрондық конфигурациясы: 1s22s22p63s23p2
N
F
Si
Mg
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Өсімдіктер текті сорбенттерге жатады?
Цеолит
Целлюлоза
Шымтезек
Жүн
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9 Озон қабатың қорғау туралы Вена конвенциясы қай жылы қабылданды?
1965ж
1975ж
1985 ж
1987ж
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