
Kimia kls X
Authored by Ujian smkn6
Other
10th Grade
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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui massa atom relatif (Ar) H = 1; C = 12; O = 16 dan Na = 23. Maka massa molelul relatif (Mr) . adalah . . . .
42
108
286
106
206
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika diketahui Ar Fe = 56, S = 32 dan O = 16 , massa molekul relatif senyawa adalah ...
156
208
304
334
400
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Di ketahui massa atom relatif (Ar) C = 12; O = 16 ; Ca = 40 , maka massa 2 mol adalah ...
100 gram
200 gram
250 gram
275 gram
300 gram
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Massa atom relatif (Ar) H = 1 dan O = 16 , tetapan Avogadro = 6,02 x , jumlah molekul air yang terdapat dalam 180 gram adalah....
6,02 x molekul
6,02 x molekul
6,02 x molekul
12,04 x molekul
12,04 x molekul
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika 3 gram x terdapat partikel sebanyak 3,01 x atom , massa atom relatif unsur X adalah....
9.03
15
30
60
120
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suatu senyawa mempunyai rumus empiris dan massa molekul relatif 60. Jika diketahui massa atom relatif H = 1, C = 12 dan O = 16 , maka rumus molekul senyawa tersebut adalah....
HCHO
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Volume 7,5 gram gas NO pada suhu 0°C dan tekanan 1 atmosfer adalah….(Ar N=14;O=16)
5,6 liter
11,2 liter
22,0 liter
22,4 liter
44,0 liter
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