
bab 5 reaksi kimia
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Mony Natalia Naibaho
Used 1+ times
FREE Resource
53 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seorang siswa melakukan percobaan dengan mencampurkan dua larutan yang menghasilkan endapan putih dan peningkatan suhu. Dari pengamatan tersebut, dapat disimpulkan bahwa reaksi yang terjadi adalah...
Reaksi endotermik dan pembentukan garam
Reaksi eksotermik dan netralisasi
Reaksi endotermik dan presipitasi
Reaksi eksotermik dan pembentukan kompleks
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan persamaan reaksi berikut: CaCO₃ + 2HCl → CaCl₂ + H₂O + CO₂. Jika 100 gram CaCO₃ direaksikan dengan HCl berlebih, volume CO₂ yang dihasilkan pada kondisi standar (Ar Ca=40, C=12, O=16, H=1, Cl=35.5) adalah...
11,2 liter
22,4 liter
33,6 liter
44,8 liter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ada larutan dengan pH 5, jika larutan tersebut diencerkan 100 kali, pH larutan tersebut menjadi...
3
4
7
9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam sebuah percobaan, siswa mengamati perubahan warna pada beberapa indikator alami: Ekstrak kunyit: kuning → merah, Ekstrak kol ungu: ungu → merah, Ekstrak hibiscus: merah → merah tua. Berdasarkan pengamatan ini, larutan yang diuji kemungkinan...
NaOH 0.1 M
HCl 0.1 M
NaCl 0.1 M
KOH 0.1 M
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seorang siswa melakukan percobaan tentang reaksi antara logam magnesium dan larutan HCl. Dia mencatat waktu yang diperlukan agar logam magnesium bereaksi sepenuhnya di bawah berbagai kondisi: Percobaan 1: Serbuk Mg + 1M HCl = 10 detik, Percobaan 2: Pita Mg + 1M HCl = 25 detik, Percobaan 3: Serbuk Mg + 2M HCl = 5 detik. Faktor yang paling mempengaruhi perbedaan waktu reaksi adalah...
Massa magnesium
Volume HCl
Konsentrasi zat
Suhu
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan data eksperimen berikut: Larutan X + Fenolftalein → merah muda, Larutan X + Merah metil → kuning, Larutan X + Jingga metil → kuning. pH larutan X adalah...
3
5
8
11
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam pembuatan tape, ragi berfungsi sebagai...
Indikator
Reaktan
Katalis biologis
Produk
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