Which of the following is true of weak acid?
Manakah yang benar tentang asid lemah?
Program Jalinan Sukses SPM 2021
Quiz
•
Chemistry
•
4th Grade
•
Medium
hairun nisa
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true of weak acid?
Manakah yang benar tentang asid lemah?
Unable to neutralise alkali
Tidak boleh meneutralkan alkali
The pH value is more than 7
Nilai pH lebih dari 7
Able to change red litmus paper to blue
Boleh menukarkan kertas litmus merah kepada biru
Ionises partially in water to produce hydrogen ions
Mengion sebahagian di dalam air untuk menghasilkan ion-ion hidrogen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pH scale indicates the degree of acidity or alkalinity of a certain solution.
Which of the following pH values is for strong alkaline solution?
Skala pH menunjukkan darjah keasidan atau kealkalian sesuatu larutan. Antara berikut, yang manakah nilai pH bagi larutan alkali kuat?
pH 3
pH 6
pH 10
pH 13
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a chemical properties of acids?
Antara yang berikut, yang manakah bukan sifat kimia bagi asid?
React with alkali to produce salt and hydrogen
Bertindak balas dengan alkali menghasilkan garam dan hidrogen.
React with metal oxide to produce salts and water.
Bertindak balas dengan oksida logam menghasilkan garam dan air
React with reactive metal to produce salt and hydrogen.
Bertindak balas dengan logam reaktif untuk menghasilkan garam dan hidrogen.
React with metal carbonate to produce salts, water and carbon dioxide
Bertindak balas dengan karbonat logam menghasilkan garam, air dan karbon dioksida.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which reaction has the highest rate of reaction?
Tindak balas manakah yang mempunyai kadar tindak balas yang paling tinggi?
Rusting of iron fence
Pengaratan pagar besi
Decaying of death organism
Pereputan organisma yang telah mati
Burning of small piece of charcoal in the air
Pembakaran ketulan kecil arang batu dalam udara
Formation of stalactites and stalagmites in a cave
Pembentukan stalaktit dan stalagmit dalam gua
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following methods is the most suitable to determine the rate of the above reaction?
Antara kaedah berikut yang manakah paling sesuai untuk menentukan kadar bagi tindak balas di atas?
Determine the change in temperature of the solution with time
Menentukan perubahan suhu larutan berkadar dengan masa
Determine the change in the concentration of zinc chloride with time
Menentukan perubahan kepekatan zink berkadar dengan masa
Determine
the volume of hydrogen gas given off with time
Menentukan isipadu gas hidrogen yang dihasilkan berkadar dengan masa
Determine the change in the concentration of hydrochloric acid with time
Menentukan perubahan kepekatan asid hidroklorik berkadar dengan masa
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which substance is an unsaturated hydrocarbon?
Bahan manakah adalah hidrokarbon tak tepu?
Propane
Propana
Propanol
Propanol
Propene
Propena
Propanoic acid
Asid propanoik
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Butene can be transformed to butane by the process of
Butena boleh ditukar kepada butana melalui proses
fermentation
penapaian
oxidation
pengoksidaan
dehydration
pendehidratan
hydrogenation
penghidrogenan
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