Quiz Kimia Dasar

Quiz
•
Chemistry
•
11th Grade
•
Medium
Bob Arridho
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika diketahui (Ar K = 39, S = 32, O = 16), maka Mr dari K2SO4 adalah ….
78
110
167
174
186
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika diketahui Ar Ca = 40, C = 12, O = 16 dan bilangan Avogadro = 6,02 x 1023, maka 50 gram CaCO3 mempunyai jumlah molekul …. atom.
3,01 x 1021
3,01 x 1022
3,01 x 1023
6,02 x 1022
1,204 x 1023
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jumlah mol dari 29 gram magnesium hidroksida Mg(OH)2 adalah …. (Ar Mg =24, O = 16, H = 1).
0,2
0,5
2
2,5
5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Konsentrasi larutan dibuat dari 25 gram padatan CaCO3 dan dilarutkan dalam air hingga volume larutan menjadi 500 ml adalah …. M (Ar Ca = 40, C = 12, O = 16).
0,025
0,05
0,25
0,5
0,1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Volume oksigen yang dihasilkan pada reaksi pemanasan 49 gram kalium klorat (Mr = 122,5) pada keadaan standard adalah …. Liter.
4,48
11,2
17,92
8,96
13,44
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Massa dari 1,204 x 1022 molekul NH3 (Ar N = 14 dan H = 1) adalah …. Gram.
0,17
0,34
1,70
2,80
3,40
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Volume dari 8 gram SO3 (Ar S = 32, O = 16) pada suhu 30oC dan tekanan 1 atm (R = 0,082) adalah ….liter.
2,48
5,24
1,24
6,21
4,84
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