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- 1. Multiple Choice
What is soap?
Apakah sabun?
Sodium salt of alkylbenzene suphonic
Garam natrium alkilbenzena sulfonik
Sodium or potassium salt of fatty acid
garam natrium atau kalium asid lemak
organic acid with long carbon chain
Asid organik dengan rantaian karbon yang panjang
Hydrolysis of fatty acid
Hidrolisis asid lemak
- 2. Multiple Choice
What is the process to prepare soap?
Apakah proses untuk menyediakan sabun?
Hydration
penghidratan
Saponification
saponifikasi
hydrogenation
Penghidrogenan
Halogenation
Penghalogenan
- 3. Multiple Choice
Which part of soap anion that dissove in water?
Bahagian manakah pada anion sabun yang larut dalam air?
hydrophilic
hidrofilik
hydrophobic
hidrofobik
- 4. Multiple Choice
What are the processes involved in preparation of detergent?
Apakah proses yang terlibat dalam penyediaan detergen?
Esterification and neutralisation
Pengesteran dan peneutralan
Soponification and neutralisation
Saponifikasi dan peneutralan
Sulphonation and neutralisation
Pengsulfonan dan peneutralan
Precipitation and double decomposition
Pemendakan dan penguraian ganda dua
- 5. Multiple Choice
What are the resources to make detergents?
Apakah sumber untuk membuat detergen?
Petroleum fraction
Pecahan petroleum
fat and oil
lemak dan minyak
Potassium hydroxide
Kalium hidroksida
Glycerol
Gliserol
- 6. Multiple Choice
What is the general formula of soap?
Apakah formula am bagi sabun?
RCOO- Na+
RCOOH
RCOOR
RCOO-Ca2+
- 7. Multiple Choice
Nurin wants to wash his cloth using sea water.Which substance is more effective as cleaning agent?
Nurin hendak mencuci pakaian menggunakan air laut.Bahan manakah yang lebih berkesan sebagai agen pencuci?
detergent
detergen
soap
sabun
- 8. Multiple Choice
Hard water consist of ___________ and ___________
Air liat mengandungi ____________ dan _____________
Al3+ ion and Mg2+ ion
Ca2+ ion and Na+ ion
Al3+ ion and Ca2+ ion
Mg2+ ion and Ca2+ ion
- 9. Multiple Choice
Which statement is correct?
Kenyataan manakah yang benar?
Soap cation consist of two parts which is hyrophilic and hydrophobic
kation sabun mengandungi dua bahagian iaitu hidrofilik dan hidrofobik
Soap is more effective in hard water
Sabun lebih berkesan di dalam air liat
Soap cation wil form scum when react with Ca2+ ion in hard water
Kation sabun akan menghasil kekat apabila bertindakbalas dengan ion Ca2+ dalam air liat
Detergent is effective as cleansing agent in soft water
Detergen berkesan sebagai agen pencuci di dalam air lembut
- 10. Multiple Choice
What is the function of biological enzyme as additive sunstance in detergent?
Apakah fungsi enzim biologi sebagai bahan tambah dalam detergen?
Convert stain to colourless substance
Menukarkan kotoran kepada bahan tindak berwarna
Drying agent
Agent pengering
Remove protein stain
menyingkirkan kotoran protein
Add fragrance
Menambahkan bau
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