
MA ASAT KIMIA XI A 2425
Quiz
•
Chemistry
•
11th Grade
•
Hard
Singgit Marianda
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Suatu sistem larutan yang dapat mempertahankan nilai pH larutan agar tidak terjadi perubahan pH yang berarti oleh karena penambahan asam atau basa maupun pengenceran di sebut ...
Larutan
Unsur
Larutan Penyangga
Senyawa
Atom
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
pH larutan HNO₃ 0,04 M adalah ...
2 log 4
4 log 4
1 log 4
4 log 2
3 log 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
4,5 gram HNO₃ dilarutkan dalam 200 ml air, pH dari larutan yang terbentuk adalah ... Ar H = 1 N = 14 dan O = 16
0,35 M
0,25 M
0,45 M
0,1 M
0,4
4.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
2,25 gram H₃PO₄ dilarutkan dalam 250 ml air sehingga terbentuk larutan dengan pH... Ar H = 1 P = 31 dan O = 16
1
4
5
2
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
1,56 gram H₂S dilarutkan ke dalam air 100 ml air. Jika Ar H = 1 dan S = 32 dan derajat ionisasi H2S adalah 0,02, maka pH dari larutan yang terbentuk adalah ...
A. 2 - 2 log 2
B. 4 - 4 log 4
C. 1-1 log 1
D. 3-3 log 2
E. 5-5 log 5
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Pernyataan berikut yang merupakan ciri-ciri dari asam lemah adalah ...
Konsentrasi ion H⁺ di dalam larutan tinggi
Derajat ionisasi 0 sampai 1
Tidak mengandung molekul-molekul asam
Memiliki pH rendah
Terionisasi semua di dalam air
7.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Tersedia senyawa basa dengan derajat ionisasi sebagai berikut: 1. NH₄OH, derajat ionisasi = 0,05; 2. Al(OH)₃, derajat ionisasi = 0,03; 3. Fe(OH)₂, derajat ionisasi = 0,005; 4. NH₃ derajat ionisasi = 0,01. Urutan basa diatas dimulai dari yang paling kuat adalah ...
3-4-2-1
1-3-4-2
1-2-3-4
1-2-4-3
3-2-4-1
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