6.4 NILAI PH (PH VALUE)
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
EIZREEN EIZREEN
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Antara berikut, yang manakah definisi pH yang paling tepat berdasarkan rumus pH? (Which of the following is the best definition of pH based on the formula of pH?)
Kepekatan asid (Concentration of an acid)
log10 kepekatan ion hidrogen (log10 concentration of hydrogen ion0
Kepekatan ion hidrogen (concentration of hydrogen ion)
-log10 kepekatan ion hidrogen ( -log10 concentration of hydrogen ion)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion apakah yang menentukan sifat keasidan sesuatu larutan? (Which ion determines the acidic properties of a solution?)
Ion OH-
Ion H+
Ion SO42-
Ion NO3-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara nilai pH yang berikut, yang manakah menunjukkan kepekatan ion hidrogen yang tinggi? (Which of the following pH values shows a high concentration of hydrogen ion?)
pH 1
pH 3
pH 2
pH 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, yang manakah sifat larutan dengan nilai pH 6? (Which of the following statement describes about a solution with a pH of 6?)
Memberikan rasa pahit (Has bitter taste)
Mempunyai ion hidrogen dengan larutannya (Contains hydrogen ions)
Bertindak balas dengan asid secara cergas (Reacts vigorously with an acid)
Menukarkan kertas litmus merah kepada biru
(Turns red litmus paper to blue)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tentukan nilai pH bagi larutan natrium hidroksida, NaOH yang mengandungi kepekatan ion OH- 0.01 dm-3 (Determine the pH value of sodium hydroxide, NaOH which has a concentration of 0.01 dm-3 OH- ions.)
10.0
12.0
8.0
6.0
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hitungkan nilai pH bagi asid etanoik, dengan kepekatan ion hidrogen 0.5 mol dm-3
(Calculate the pH value for ethanoic acid which has a concentration of 0.5mol dm-3 hydrogen ions.)
0.1
0.2
0.3
0.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah nilai pH bagi objek dalam gambar? (What is the pH value of the object shown in the picture?)
1.0
2.0
3.0
4.0
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