
Formatif 2: Kalor
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Arfiani Babay
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Kalor yang dibutuhkan untuk menaikkan suhu 0,5 kg zat cair (kalor jenis 400 J/kg0C) dari 280C menjadi 380C adalah ...
0,2 kJ
0,4 kJ
2,0 kJ
4,0 kJ
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perpindahan kalor pada dua benda terjadi karena . . . .
adanya perbedaan massa
adanya perbedaan suhu
adanya perbedaan kalor jenis
adanya perbedaan massa jenis
3.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
Zat cair yang massanya 10 kg dipanaskan dari suhu 250C menjadi 750C memerlukan panas sebesar 4 x 105J. Kalor jenis zat tersebut adalah ...J/kg0C
200
600
600
800
4.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Aluminium bermasa 2 kg dengan suhu 200C menerima kalor sebesar 180.000 J. Jika kalor jenis aluminium 900 J/kg0C maka suhu akhir aluminium adalah ... 0C.
100
110
130
120
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Perhatikan skema perubahan wujud zat. Proses perubahan wujud zat yang bersifat melepaskan kalor, ditunjukkan oleh nomor . . .
1, 2 dan 3
1, 2 dan 4
3, 5 dan 6
4, 5 dan 6
6.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Besi yang massanya 4 kg dan suhunya 20oC dipanaskan menggunakan kalor sebanyak 92.000 joule. Apabila kalor jenis besi sebesar 460 J/kg.oC, maka suhu besi setelah dipanaskan menjadi . . . . oC
40
50
60
70
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Perpindahan kalor yang diikuti dengan perpindahan partikel-partikel zat penghantarnya disebut…
Konduksi
Konveksi
Radiasi
Isolasi
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