Kuis PKKBN Tekkim 2024
Quiz
•
Chemistry
•
University
•
Hard
quiz pro
Used 3+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Model atom yang biasanya disebut sebagai “roti kismis” adalah model atom dari
Dalton
Thomson
Rutherford
Anthony El Gasing
Niels Bohr
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Neutron dan elektron dari unsur tersebut adalah
22, 16
24, 16
22, 18
24,20
22, 20
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perbedaan antara ion Na+ dengan atom natrium adalah
Ion Na+ kelebihan 1 proton
Ion Na+ kelebihan 1 elektron
Ion Na+ kekurangan 1 elektron
Ion Na+ kekurangan 1 proton
Ion Na+ kekurangan 1 neutron
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa molaritas larutan yang terjadi jika 4 gram NaOH dilarutkan ke dalam air sampai volumenya menjadi 500 mL (Mr NaOH = 40)
0,1 M
0,2 M
0,3 M
0,4 M
0,5 M
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi katalis yaitu mempercepat laju reaksi dan menurunkan
Tumbukan
Suhu
Konsentrasi
Energi aktivasi
Luas permukaan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa banyak elektron yang dimiliki oleh ion kalium (K+)
18
19
20
21
29
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kenaikan suhu akan mempengaruhi laju reaksi sebab
Kenaikan suhu akan mengakibatkan turunnya energy aktivasi
Energy kinetik partikel-partikel yang bereaksi meningkat
Dalam reaksi kimia, suhu berperan seperti katalis
Kenaikan suhu menyebabkan konsentrasi pereaksi meningkat
Menyebabkan frekuensi antar partikel semakin meningkat
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