
KIMIA UTBK 1
Authored by Uca nazira
Chemistry
10th - 12th Grade
Used 6+ times

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74 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pembakaran senyawa hidrokarbon CxHy dalam oksigen berlebih menghasilkan 220mg CO2 (Mr = 44) dan 45mg H2O (Mr = 18). Jika Ar C = 12 dan H = 1 maka rumus empiris senyawa tersebut adalah...
C2H
CH2
CH3
C2H5
CH
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada pembakaran 12 gram suatu senyawa karbon dihasilkan 22 gram gas CO2 (Ar C = 12 , O = 16). unsur karbon dalam senyawa tersebut adalah sebesar...
23%
27%
50%
55%
77%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sejumlah 3,2 gram gas metana dibakar dengan 16,0 gram oksigen. Gas karbon dioksida yang terbentuk adalah...
2,24 gram
4,40 gram
8,80 gram
8,96 gram
17,6 gram
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bila 60 gram logam A yang bervalensi 2 direaksikan dengan asam klorida, akan dihasilkan 56,0 liter gas hydrogen ( 1 mol gas = 22,4 L) massa atom relatif A adalah...
65
40
39
24
23
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk oksidasi sempurna 1 liter campuran yang terdiri atas 60% metana (CH4) dan 40% etana (C6H6) dibutuhkan O2 murni sebanyak...
2,4 liter
2,6 liter
2,8 liter
3,0 liter
3,2 liter
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika 100cm³ dari setiap gas dibawah ini dipanaskan dalam oksigen yang berlebihan, maka gas yang menghasilkan gas CO2 terbanyak ( diukur pada suhu dan tekanan yang sama ) adalah...
CO
C2H6
C2H2
CH4
C3H8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika 100cm³ suatu oksida nitrogen terurai dan menghasilkan 100cm³ nitrogen (III) oksida dan 50cm³ oksigen ( semua volum gas diukur pada suhu dan tekanan yang sama), maka oksida nitrogen tersebut adalah...
NO
NO2
N2O
N2O4
N2O5
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