
Remidial Kimia XI
Authored by Nur Ali Bakar
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42 questions
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1.
OPEN ENDED QUESTION
30 sec • Ungraded
NAMA
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2.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
KELAS
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di Antara kelompok senyawa berikut yang merupakan rumus empiris adalah…
P2O5 dan CH2O
P4O10 dan C4H8
(COOH)2 dan C5H6
C6H12O6 dan C2H6O
C3H8 dan C6H14
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu enyawa mempunyai rumus empiris (CHO2)n dengan massa relative 90 (Ar C= 12; H = 1; O = 16), Maka molekul senyawa tersebut adalah…
CHO2
C2H2O2
C2H2O4
C3H3O3
C6H12O6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu senyawa memiliki rumus empiris CH2. Jika massa molekul relative senyawa terebut 70, rumus molekulnya adalah…
C2H4
C3H6
C4H8
C5H10
C6H12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Piriidin tersusun dari 60 % karbon, 5% hydrogen, san sisanya nitrogen (Ar H = 1, C = 12, N = 14). Jika massa molekul relative pirimidin adalah 80 maka rumus molekulnya adalah…
C2H2N
C4H4N2
C5H6N
C6H6N3
C3H2N4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di dalam 15,2 gram senyawa oksida kromium terdapat 10,4 gram kromium. Jika Ar Cr= 52 dan O = 16, maka rumus empiris oksida kromium adalah..
CrO
CrO2
Cr2O
Cr2O3
Cr3O4
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