
BAB 5 Termokimia
Authored by LAW Moe
Science
3rd Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apabila pepejal natrium hidroksida larut dalam air, suhu akan meningkat dari 26 °C kepada 38 °C. Antara pernyataan yang berikut, manakah benar tentang tindak balas itu?
Tenaga haba dari sistem dibebaskan ke persekitaran.
Tenaga haba bertukar kepada tenaga kimia.
Larutan itu mendapat tenaga haba dari persekitaran.
Ia adalah satu tindak balas endotermik
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bidang sains yang mengkaji perubahan haba dikenali sebagai ___________.
Kimia organik
Termokimia
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah persamaan tindak balas eksotermik dan tindak balas endotermik?
Suhu persekitaran kurang
Berlaku dalam perubahan kimia
Haba dibebaskan ke persekitaran
Memerlukan masa yang lama untuk bertindak balas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tindak balas eksotermik adalah tindak balas kimia yang ________________ dari persekitarannya.
Menyerap haba
Membebaskan haba
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, manakah kegunaan yang betul bagi pek panas?
Melegakan kekejangan otot
Mengurangkan bengkak
Menurunkan suhu badan ketika demam
Melegakan sakit kepala
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah tindak balas termokimia?
Proses pembebasan atau penyerapan haba dalam tindak balas kimia
Pembakaran
Tindak balas penggumpalan
Tindak balas penguraian
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang manakah bukan ciri-ciri tindak balas endotermik ?
Haba diserap dari persekitaran
Bacaan termometer menurun
Tabung uji menjadi sejuk
Tabung uji menjadi panas
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