
Unsur kimia
Quiz
•
Science
•
University
•
Practice Problem
•
Hard
Nesy Widyastuti
FREE Resource
121 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Zat tunggal yang dapat diuraikan menjadi dua zat atau lebih melalui reaksi kimia disebut.....
Senyawa
Atom
Unsur
Molekul
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Gas berbahaya yang dihasilkan dari pembakaran tidak sempurna adalah gas karbonmonoksida. Penulisan rumus kimia karbon monoksida adalah …
CO
CO2
C2O
CO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini beberapa zat radioaktif yang bermanfaat dalam kehidupan sehari-hari:
(1) H-2 (Deuterium)
(2) C-14 (Carbon)
(3) I-131 (Iodium)
(4) Co-60 (Cobalt)
Radioaktif yang bermanfaat dalam bidang kedokteran adalah...
(1) dan (4)
(2) dan (3)
(2) dan (4)
(3) dan (4)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dengan mereaksikan: P2(g) + Q2(g) --> 2PQ
dihasilkan data sebagai berikut:
Jika [P2] dinaikan 2 kali, [Q2] tetap, laju reaksi menjadi 4 kali semula, sementara jika [P2] dan [Q2] masing-masing dinaikan 2 kali, laju reaksinya menjadi 8 kali. Orde terhadap [Q2] adalah ....
0
1
2
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Golongan yang memiliki kulit terluar dengan susunan elektron s2p6 adalah:
gol. 8
gol. 2
gol. 6
gol. 4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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