
ХИМИ ЭЕШ 2017
Authored by Батцоодол Хүрэлшагай
Science
12th Grade - University
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43 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1. Дараах урвалаас задрах урвалыг сонгоно уу.
A. Fe + 2HCI = FeCI2 + H2↑
B. CaCI2 + Na2CO3 = CaCO3↓ + 2NaCI
C. BaCO3 +CO2 +H2O = Ba(HCO3)2
D. 2Cu(NO3)2𝒕°→ 2CuO + 4NO2↑ + O2↑
E. CH3-CH3 +HNO3→ CH3-CH2 -NO2 + H2O
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2. Хүчилтөрөгчийн атомын үнэмлэхүй масс хэд вэ?
A. 16 г/моль
B.16 н.н
C.16 г
D. 26.56·10-27 кг
E. 1.67·10-27кг
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3. Биополимер болох уургийн мономерийг сонгоно уу.
А. α-амин хүчил
B. β-амин хүчил
C. α ба β-амин хүчил
D. 𝛾𝛾-амин хүчил
E. бүгд зөв
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Төмрийн (II) сульфатын гептагидратын томьёо аль нь вэ?
А. Fe2(SO4)3·7H2O
B. 7FeSO4·7H2O
C. 7FeSO4· H2O
D. FeSO4·7H2O
E. 7Fe2(SO4)3· H2O
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6. 𝐶H2 = 𝐶− 𝐶2 − 𝐶 ≡ 𝐶 гэсэн нэгдэл дэх 2 ба 3–р нүүрстөрөгчийн атомын эрлийзжилтийг сонгоно
уу.
A. sp3 – sp2
B. sp2 – sp2
C. sp3 – sp
D. sp – sp3
E. sp2 – sp3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7. Валент чанар ба исэлдэхүйн хэмийн тоон утга нь ялгаатай нэгдлийг сонгоно уу.
A. Ba(HCO3)2
B. BaO
C. BaO2
D. Ba(OH)2
E. BaCO3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
8. Дараах урвалын тэгшитгэлээс алканы нүүрсустөрөгчдийн гол урвалыг сонгоно уу.
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