KIMIA T5, 5.2: BAHAN PENCUCI
Quiz
•
Chemistry
•
5th Grade
•
Practice Problem
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Medium
DIANA Moe
Used 12+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pernyataan manakah yang betul tentang sabun dan detergen?
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan manakah yang betul tentang tindakan pencucian bagi sabun?
Bahagian hidrofilik molekul sabun larut dalam air
Menambah ketegangan permukaan air
Molekul sabun mengemulsikan air
Bertindak balas dengan asid untuk membentuk garam
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kation manakah yang membentuk kekat dengan sabun?
Na+
Mg2+
Al3+
NH4+
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukkan penyediaan detergen.
Apakah bahan X dan Y?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah sumber utama dalam penghasilan detergen?
Minyak sawit
Lemak haiwan
Ammonia
Petroleum
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sekumpulan pengakap pergi berkhemah di tepi pantai. Mereka perlu menggunakan air laut untuk semua kerja pencucian.
Bahan manakah yang sesuai untuk mencuci pakaian mereka dengan berkesan?
Sabun
Peluntur
Detergen
Antiseptik
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seorang kanak-kanak telah tertumpah kuah kari di atas baju sekolahnya. Kotoran itu sangat sukar ditanggalkan setelah dicuci dengan sejenis detergen.
Bahan tambah manakah yang perlu ditambah ke dalam seterge baharu bagi memastikan kotoran itu dapat ditanggalkan?
Protease
Natrium silikat
Natrium karbonat
Bahan pendaflour
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