Alasan ilmiah yang mendasari penjual es puter menaburkan garam dapur (NaCl) pada pembuatan es puter adalah....
Remedial PAS Kimia Kelas XII TP 2023/2024

Quiz
•
Chemistry
•
12th Grade
•
Medium
Siti Nur Khasanah
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Titik beku larutan NaCl lebih rendah daripada air
Titik beku larutan NaCl lebih tinggi daripada air
Titik didih larutan NaCl lebih tinggi daripada air
Tekanan uap larutan NaCl lebih tinggi daripada air
Memiliki tekanan osmotik yang sama
2.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Jika jumlah garam dapur NaCl yang dicampurkan sebanyak 87,75 g dalam 4L air, maka titik beku air berubah dari 0°C menjadi.... °C.
Ar: Na = 23, Cl = 35,5
Kf air = 1,86
NaCl terionisasi sempurna (derajat ionisasi =1)
-0,275
-0,375
-1,395
-1,675
-1,825
3.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Nilai E°sel Volta pada gambar tersebut adalah ... volt, yang menandakan reaksi berlangsung secara....
-1,1, spontan
-0,42, tidak spontan
0,42, tidak spontan
0,62, spontan
1,1, spontan
4.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Logam alkali tanah yang tidak dapat bereaksi dengan air dingin adalah....
Kalium
Barium
Magnesium
Stronsium
Kalsium
5.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Harga koefisien reaksi a, b, c adalah....
1, 4, 2
1, 8, 3
2, 6, 5
2, 8, 5
2, 16, 5
6.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
Pada peristiwa korosi, logam mengalami reaksi oksidasi, dan oksigen mengalami reaksi reduksi.
Benar
Salah
7.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
Litium lebih reaktif dari natrium.
Benar
Salah
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