Which statement explains why water is needed to show the acidic properties of an acid?
Penyataan manakah menerangkan mengapa air diperlukan untuk menunjukkan sifat keasidan bagi suatu asid?
KUIZ 3.0 2021 - KIMIA T4
Quiz
•
Chemistry
•
4th - 5th Grade
•
Hard
NORFAIZAH Moe
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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement explains why water is needed to show the acidic properties of an acid?
Penyataan manakah menerangkan mengapa air diperlukan untuk menunjukkan sifat keasidan bagi suatu asid?
Neutralisation of acid occurs in water
Peneutralan asid berlaku dalam air
Ionisation of acid occurs in water
Pengionan asid berlaku dalam air
Water dissolves the acid
Air melarutkan asid
Water oxidises the acid
Air mengoksidakan asid
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement is correct about acid?
Penyataan manakah yang betul tentang asid?
Acid solution conducts electric current
Larutan asid mengkonduksi arus elektrik
Strong acid ionizes partially in water
Asid kuat mengion separa dalam air
Weak acid produces high concentration of hydrogen ions
Asid lemah menghasilkan kepekatan ion hidrogen yang tinggi
The presence of water enables acid to produce hydroxide ions
Kehadiran air membolehkan asid menghasilkan ion hidroksida
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which substance neutralises a solution with the pH value of 4?
Bahan manakah meneutralkan suatu larutan dengan nilai pH 4?
Distilled water
Air suling
Sodium chloride
Natrium klorida
Sodium hydroxide
Natrium hidroksida
Dilute ethanoic acid
Asid etanoik cair
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a soluble salt?
Antara yang berikut, yang manakah adalah satu garam terlarutkan?
Iron(II) chloride
Ferum(II) klorida
Silver chloride
Argentum klorida
Calcium sulphate
Kalsium sulfat
Lead(II) sulphate
PIumbum(II) sulfat
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which substance is an alkali?
Bahan manakah adalah suatu alkali?
Zinc oxide
Zink oksida
Magnesium oxide
Magnesium oksida
Potassium hydroxide
Kalium hidroksida
Aluminium hydroxide
Aluminium hidroksida
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the correct sequence in preparation of a solution by dilution method?
Antara yang berikut, yang manakah urutan yang betul dalam penyediaan satu larutan melalui kaedah pencairan?
I Transfer the solution into a volumetric flask
Pindahkan larutan ke dalam kelalang volumetric
II Calculate the volume of solution to be diluted
Kira isi padu larutan yang hendak dicairkan
III Use a pipette to obtain the volume of solution needed
Guna pipet untuk memperoleh isi padu larutan yang diperlukan
IV Add distilled water to the required volume of solution
Tambah air suling kepada isi padu larutan yang dikehendaki
II, I, III, IV
II, I, IV, III
II, III, I, IV
II, III, IV, I
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
White fumes produced
Wasap putih terhasil
Colourless gas released
Gas tak berwarna terbebas
Greenish-yellow gas released
Gas kuning kehijauan terbebas
Droplets of colourless liquid formed
Titisan cecair tak berwarna terbentuk
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