soal2 latihan PIK

Quiz
•
Chemistry
•
9th - 12th Grade
•
Medium
Rahmida Yetti
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Kelompok senyawa kovalen di bawah ini yang semuanya bersifat polar adalah ...
CO2 , SO2
NH3 , HF , H2O , NH3
HCl , BCl3 , SO3
H2O , CO2 , NH3
2.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Pada pembakaran 60 gram pita magnesium dihasilkan 100 gram magnesium oksida menurut reaksi :
2Mg(s) + O2(g) -----> 2MgO(s). Massa gas oksigen yang diperlukan adalah ...
24 gram
28 gram
40 gram
60 gram
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Unsur A dan B saling berikatan ionik membentuk senyawa AB2. Kemungkinan nomor atom A dan B berturut-turut adalah ...
6 dan 9
12 dan 17
13 dan 16
11 dan 9
4.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Jumlah molekul glukosa (C6H12O6) terdapat dalam 45 gram glukosa adalah ...(Mr Glukosa=180)
6,02 x 1023
1,505 x 1023
15,02 x 1021
12,04 x 1021
5.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Berapa gram massa dari 5,6 liter gas SO3 (0oC, 1 atm)
(Mr SO3 = 80)
448 gram
44,8 gram
20 gram
2 gram
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Di bawah ini tercantum nama-nama alkana.
Nama yang benar adalah ...
1,4-dimetilpentana
3-isopropil pentana
4-etil-5-metilpentana
3-etil-2-metilpentana
7.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Senyawa di bawah ini yang berisomer dengan n-heksana adalah...
2-metilpentana
2-metilheksana
3-etilpentana
3,4-dimetilheksana
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