
LATIHAN KIMIA SMK
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
mohammad kholis
Used 9+ times
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53 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada reaksi a C2H5OH + b O2 c CO2 + d H2O, nilai koefisien a, b, c dan d berturut-turut adalah …..
1, 3, 1, 3
1, 3, 2, 3
2, 3, 3, 1
2, 3, 1, 3
3, 2, 1, 3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut hasil percobaan daya hantar listrik beberapa larutan:
Zat lampu Pengamatan lain
1 Nyala terang Banyak gelembung
2 Nyala redup Banyak gelembung
3 Tidak nyala Sedikit gelembung
4 Tidak nyala Tidak ada gelembung
Berikut pasangan zat yang digolongkan elektrolit kuat, elektrolit lemah dan non elektrolit berturut-turut adalah....
1, 2, dan 3
1, 2, dan 4
1, 3, dan 4
2, 4 dan 3
2, 1 dan 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tabel berikut merupakan data pengujian beberapa larutan menggunakan indikator kertas lakmus
Indikator Larutan
A Larutan B Larutan C Larutan D Larutan E
Lakmus Merah Merah Merah Biru Merah Biru
Lakmus Biru Biru Merah Biru Biru Biru
Pernyataan yang tepat berkaitan dengan data tersebut adalah . . . .
Larutan A bersifat basa
Larutan B bersifat netral
Larutan C bersifat asam
Larutan D bersifat asam
Larutan E bersifat basa
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika konsentrasi ion H+ dalam suatu larutan HCl adalah 2 x 10-4 M dan log 2 = 0,3. Maka pH larutan terebut ….
4,3
4
3,7
3,3
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persamaan termokimia sebagai berikut:
3 Mg(s) + 2 NH3(g) à Mg3N2(s) + 3 H2(g) ÄH = -371 kJ
½ N2(g) + 3/2 H2(g) à NH3(g) ÄH = - 46 kJ
Berdasarkan persamaan termokimia di atas, maka perubahan entalpi untuk reaksi:
3 Mg(s) + N2(g) à Mg3N2(s) adalah ….
+ 279 kJ
+ 371 kJ
– 325 kJ
– 417 kJ
– 463 kJ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitunglah nilai yang terkadandung dalam massa molekul relatif (Mr) dari senyawa Ca(OH)2
Jika diketahui (Ar Ca =40, Ar O = 16, Ar H = 1) ?
57
74
87
104
117
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitunglah nilai yang terkadandung dalam massa molekul relatif (Mr) dari senyawa Aluminium Sulfat Al2(SO4)3
Jika diketahui (Ar Al = 27, Ar S = 32, Ar O = 16 ) ?
17
75
342
352
362
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