
Quiz tentang pH Meter
Quiz
•
Science
•
1st Grade
•
Medium
Etriyanto Arman
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Apa fungsi utama dari alat pH meter?
Mengukur kadar ion dalam larutan
Mengukur suhu larutan
Mengukur keasaman atau kebasaan larutan
Mengukur tekanan atmosfer
Mengukur konduktivitas larutan
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Kalibrasi pH meter dilakukan untuk memastikan bahwa alat tersebut memberikan hasil yang:
Presisi
Akurat
Konsisten
Stabil
Semua jawaban benar
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Mengapa larutan buffer digunakan saat kalibrasi pH meter?
Karena larutan buffer memiliki pH yang stabil
Karena larutan buffer mengubah pH larutan
Karena larutan buffer tidak bereaksi dengan elektroda
Karena larutan buffer memperpanjang umur elektroda
Karena larutan buffer hanya digunakan untuk larutan asam
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Berapa pH standar yang biasanya digunakan untuk kalibrasi dua titik pada pH meter?
2 dan 7
3 dan 9
4 dan 7
4 dan 10
7 dan 14
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Salah satu faktor yang menyebabkan pH meter memberikan hasil yang tidak akurat adalah:
Penggunaan larutan buffer
Larutan yang terlalu encer
Elektroda yang kotor atau rusak
pH meter yang terlalu lama disimpan
Larutan yang terlalu panas
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Apakah fungsi elektroda referensi pada pH meter?
Mengukur pH larutan
Menetapkan titik acuan yang stabil
Mengatur suhu larutan
Menghitung nilai pH secara otomatis
Menetralisir ion dalam larutan
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Apa efek suhu pada pengukuran pH larutan?
Tidak ada efek
Suhu yang lebih tinggi meningkatkan pH
Suhu yang lebih rendah menurunkan pH
Suhu mempengaruhi aktivitas ion dalam larutan
Suhu hanya mempengaruhi alat, bukan larutan
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