
Моль ба стехиометр
Authored by rentsenkhand magsarjav
Chemistry
10th Grade
Used 3+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Үнэн
Худал
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Үнэн
Худал
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 моль ус 36 г масстай байна.
Үнэн
Худал
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Үнэн
Худал
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Al + H2SO4 → Al2(SO4)3 +H2
Дээрх урвалын тэгшитгэлийг тэнцүүлээд H2SO4 ба Al2(SO4)3 -ийн стехиометрийн харьцаа ямар байгааг олно уу?
1:1
3:1
1:3
2:1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CaC2 + 2H2O → Ca(OH)2 + C2H2
13 г ацетилен (C2H2) үйлдвэрлэхэд хичнээн моль ус хэрэгтэй вэ?
0.5 моль
1 моль
2 моль
2.5 моль
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
4Al + 3O2 → 2Al2O3 Хөнгөнцагааныг шатаахад стандарт нөхцөлд 4.96дм3 хүчилтөрөгч зарцуулагдсан бол анх хэчнээн моль хөнгөнцагаан шатах урвалд орсон бэ?
0.54 моль
0.29 моль
0.27 моль
0.3 моль
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