Latihan pengetahuan

Quiz
•
Chemistry
•
11th Grade
•
Easy
Indardwi Musyadi
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Apa yang terjadi jika suhu reaksi dinaikkan?
A. Laju reaksi menurun
B. Laju reaksi tetap
C. Laju reaksi meningkat
D. Reaksi berhenti
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
2. Mengapa tablet vitamin C lebih cepat larut jika dihancurkan terlebih dahulu?
A. Mengubah warna tablet
B. Memperbesar luas permukaan
C. Mengurangi massa tablet
D. Meningkatkan suhu
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
3. Apa fungsi dari katalis dalam reaksi kimia?
A. Mengubah hasil reaksi
B. Menghambat laju reaksi
C. Mempercepat reaksi tanpa ikut bereaksi
D. Menambah massa reaktan
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
4. Makanan cepat basi jika diletakkan di suhu ruang karena
A. Konsentrasi air meningkat
B. Suhu tinggi memperlambat reaksi
C. Suhu tinggi mempercepat pertumbuhan mikroorganisme
D. Konsentrasi udara menurun
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Semakin tinggi konsentrasi larutan asam, maka laju reaksinya akan
A. Lebih lambat
B. Tidak berubah
C. Lebih cepat
D. Terhenti
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Mengapa potongan apel berubah warna menjadi cokelat saat terkena udara
A. Karena kadar airnya berkurang
B. Karena reaksi dengan cahaya
C. Karena reaksi enzim dengan oksigen
D. Karena terbakar
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
7. Pengaruh penggunaan katalis dalam suatu reaksi adalah..
A. Menurunkan suhu reaksi
B. Menghilangkan reaktan
C. Menurunkan energi aktivasi
D. Menambah hasil reaksi
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