UTS KIMIA XII
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Anggun Syafaresti
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10 questions
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1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Larutan dengan berbagai Bagan berikut menggambarkan konsentrasi.
Bagan yang menunjukkan tekanan uap larutan paling besar adalah ....
I
II
III
IV
V
2.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Dianatara pernyataan berikut yang bukan merupakan sifat koligatif larutan adalah…
Penurunan tekanan uap
Kenaikan titik beku
Tekanan osmosis
Kenaikan titik didih
Penurunan titik beku
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Massa asam oksalat H2C2O4.2.. H2O yang diperlukan untuk membuat 100 ml larutan.asam oksalat 0,1M adalah…. (Ar C=12, O=16, H=1)
1,26 gram
3,15 gram
6,30 gram
12,60 gram
31,50 gram
4.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Larutan yang mempunyai tekanan osmosis paling besar dengan konsentrasi yang sama adalah....
NaCl
CO (NH2)2
BaCl2
CrCl3
KNO3
5.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Sebanyak 90 gram glukosa (mr=180) dilarutkan dalam 500 ml air , titik beku larutan tersebut adalah (Kf=1,86)...
+1,86 0C
-1,86 0C
00C
900C
-900C
6.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Berikut ini yang merupakan reaksi redoks yang sudah setara adalah ....
Al + Fe2+ --> Al3+ + Fe
SO + 2 Cl- + 2H --> H2S + Cl2
Cl2 + 6OH- --> Cl- + ClO + 3H2O
5 Cl- + ClO + 6H+ --> 3Cl2 + 3H2O
Fe + NO + 4H+ --> Fe2+ + NO +2H2O
7.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Pada reaksi MnO + C2O --> Mn2+ + CO2 ( suasana asam) bila disetarakan, reaksi ionnya menjadi .....
2 MnO + 16H+ + 5 C2O --> 2 Mn2+ + 10 CO2 + 8 H2O
MnO + 8 H+ + C2O --> Mn2+ + CO2 + 4 H2O
2 MnO + 8H+ + 5 C2O --> 2 Mn2+ + 10 CO2 + 8 H2O
MnO + 16H+ + C2O --> Mn2+ + CO2 + H2O
2 MnO + 16H+ --> 2 Mn2+ + CO2 + H2O
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