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Remidial Kimia XI

Authored by Nur Ali Bakar

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Used 1+ times

Remidial Kimia XI
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42 questions

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1.

OPEN ENDED QUESTION

30 sec • Ungraded

NAMA

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OFF

2.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

KELAS

XI 1
XI 2
XI 3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

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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