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perhitungan kimia

Authored by Syarifah pore

Chemistry

10th Grade

Used 26+ times

perhitungan kimia
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Tentukan biloks atom unsur N dalam senyawa NH3+

-1

-2

-3

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Tentukan biloks atom unsur Mn dalam senyawa MnO4

6

7

8

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diantara reaksi berikut yang sudah setara adalah ...

4Na + O2 → 2Na2O

2Na + O2 → Na2O

Na + O2 → 2NaO

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Setarakanlah persamaan reaksi berikut

CS2 + O2 → CO2 + SO2

CS2 + O2 → CO2 + 2SO2

CS2 + 2O2 → CO2 + 2SO2

CS2 + 3O2 → CO2 + 2SO2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Arus listrik dapat mengalir melalui elektrolit karena . . .

Munculnya gelembung gas

Lampu menyala saat listrik dialirkan

Arus mengalir dari kutub positif ke kutub negatif

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Zat yang merupakan pelarut universal adalah . . . .

Air

Eter

Alkohol

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Hitubglah massa molekul relatif (mr) dari senyawa HCl (dik. Ar H=1, Ar Cl=35,5)

Mr 36,3

Mr 36,4

Mr 36,5

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