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WorksheetsAGEN PENCUCI SET 1 (WED)
Total questions: 15
Worksheet time: 9mins
what is the main source in the production of detergent?
Apakah sumber utama dalam penghasilan detergen?
palm oil
minyak kelapa sawit
animal fat
lemak haiwan
ammonia
ammonia
petroleum
petroleum
a group of scouts go camping by the seashore. they have to do all their washing using sea water.
what is the suitable substance for them to wash their clothes effectively?
Sekumpulan pengakap menyertai perkhemahan di tepi pantai.Mereka perlu menggunakan air laut untuk mencuci.Apakah bahan yang sesuai digunakan untuk mencuci pakaian mereka dengan berkesan?
soap
sabun
bleach
peluntur
detergent
detergen
antiseptic
antiseptik
which cation present in hard water?
Kation manakah yang hadir di dalam air liat?
Mg2+
Zn2+
Pb2+
Sn2+
the effectiveness of cleansing action of soap is lower in hard water compared to in soft water.
which of the following explain the above statement?
Keberkesanan tindakan pencucian bagi sabun adalah lebih rendah di dalam air liat berbanding air lembut.Yang manakah antara berikut menerangkan kenyataan di atas?
soap is less soluble in hard water
sabun kurang larut di dalam air liat
soap ionise partially in hard water
sabun mengion separa di dalam air liat
soap forms insoluble salt with calcium and magnesium ions
sabun membentuk garam tidak larut dengan ion kalsium dan ion magnesium
soap particles form complex ions with aluminium ion present in hard water
zarah sabun membentuk ion kompleks dengan ion aluminium di dalam air liat
name the process of soap preparation
Namakan proses penyediaan sabun
hydrolysis
hidrolisis
hydrogenation
penghidrogenan
sulphonation
pengsulfonan
saponification
saponifikasi
Which statement is correct about cleansing action of soap?
Kenyataan manakah benar tentang tindakan pencucian sabun?
The hydrophilic part of soap anion dissolves in water
Bahagian hidrofilik anion sabun larut dalam air
Increases the surface tension of water
Meningkatkan ketegangan permukaan air
Soap molecules emulsify water
molekul sabun mengemulsi air
Reacts with acids to form salt
Bertindakbalas dengan asid menghasilkan garam
chemical equation below shows the process of saponification.
minyak + R --> soap + P
Persamaan kimia di bawah menunjukkan proses saponifikasi
minyak + R ----> sabun + P
R-sodium hydroxide, P-water
R- natrium hidroksida , P - air
R-potassium hydroxide, P-glycerol
R- kalium hidroksida , P-gliserol
R-sodium oxide, P-glycerol
R - natrium oksida , P -gliserol
R-fatty acid, P-RCOONa
R- asid lemak , P - RCOONa
What is soap?
Apakah sabun?
Organic acid with long carbon chain
Asid organik dengan rantai karbon yang panjang
Potassium or sodium salt of fatty acid
Garam kalium atau natrium asid lemak
Ester with glycerol
Ester dengan gliserol
Cleansing agent
Agen pencuci
What is alkaline used to prepare soap?
Apakah alkali yang digunakan dalam penyediaan sabun?
Ammonia solution
larutan ammonia
Sodium hydroxide
Natrum hidroksida
Calcium hydroxide
kalsium hidroksida
Barium hydroxide
Barium hidroksida
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
What is the general formula of soap?
Apakah formula am bagi sabun?
RCOO- Na+
RCOOH
RCOOR
RCOO-Ca2+
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
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
What is the function of sodium sulphate and sodium silicate in the detergent?
Apakah fungsi natrium sulfat dan natrium silikat di dalam detergen?
Biology enzyme
enzim biologi
whitening agent
agen pemutih
drying agent
agen pengering
Anti suspension agent
anti enapan
Detergent is more effective as a cleansing agent in ............. compare to soap
Detergen lebih berkesan sebagai agen pencuci di dalam..............berbanding sabun
Soft water
air lembut
acidic solution
larutan berasid
hard water
air liat
alkaline solution
larutan alkali
