Kimia X Farmasi
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
Endah Ayunda
Used 21+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara pernyataan berikut, yang kurang tepat tentang asam adalah ... .
mempunyai rasa asam
tergolong elektrolit kuat
korosif
dapat menetralkan basa
memounyai pH lebih kecil dari 7
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Konsentrasi ion hidrogen dalam larutan yang pH-nya = 3 – log 2 adalah …
2 × 10–2 M
3 × 10-3 M
2 × 10–3M
0.0001 M
0.0003M
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Besarnya pH larutan 0,74 gram Ca(OH)2 (Ar Ca = 40, O = 16, dan H = 1) dalam
500 mL larutan adalah … .
2-log4
12-log4
2+log4
11+log4
12+log4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Banyaknya atom yang terkandung dalam 9,2 gram natrium (Na = 23) adalah….
1,2 x 1023
2,2 x 1023
2,3 x 1023
2,4 x 1023
2,5 x 1023
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapa jumlah mol Fe2(SO4)3 yang memiliki massa 4 gram ….
0,25 mol
0,2 mol
0,1 mol
0,01 mol
0,001 mol
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jumlah mol dari 1,204 x 1023 molekul air adalah …
2 mol
1,6 mol
1 mol
0,5 mol
0,2 mol
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
diantara reaksi berikut yang sudah setara adalah ……
H2 + O2 → H2O
N2 + 3H2 → 2NH3
Mg + HCl → MgCl2 +H2
C + O2 → CO
SO2 + 3O2 → SO3
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