Penilaian Tengah Semester Kelas XI MIA
Quiz
•
Chemistry
•
11th Grade
•
Hard
Novita Dewi
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Beberapa larutan diuji dengan kertas lakmus dan diperoleh hasil sesuai dengan tabel di atas. Berdasarkan data tersebut, larutan yang bersifat asam adalah larutan....
1 dan 2
1 dan 3
2 dan 3
2 dan 4
4 dan 5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Larutan H2SO4 0,01 M akan memberikan warna yang sama dengan larutan HA 0,1 M. Jika ditetesi indikator yang sama, tetapan ionisasinya (Ka) HA adalah....
1 x 10-3
4 x 10-2
4 x 10-3
4 x 10-4
4 x 10-5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Reaksi yang menunjukkan bahwa HClO4 bersifat basa adalah....
HClO4 + NH2- ⇋ ClO4- + NH3
HClO4 + NH3 ⇋ ClO4- + NH4+
HClO4 + H2O ⇋ ClO4- + H3O+
HClO4 + OH- ⇋ ClO4- + H2O
HClO4 + N2H5+ ⇋ H2ClO4+ + N2H4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Untuk menetralkan 100 mL larutan KOH 0,1 M diperlukan larutan H2SO4 0,1 M sebanyak....
10 mL
50 mL
100 mL
150 mL
200 mL
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Seorang siswa melakukan pengujian pH air limbah menggunakan berbagai indikator. Data yang diperoleh adalah sesuai dengan tabel di atas. Nilai pH dari limbah yang diuji berturut-turut adalah....
6,2 < pH < 7,6 dan 6,0 < pH < 6,2
6,2 < pH < 8,3 dan 7,6 < pH < 8,3
7,6 < pH < 8,3 dan 6,2 < pH < 7,6
pH < 6,2 dan pH > 8,3
pH > 6,2 dan pH < 6,2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
These are some kinds of salt solution:
1. (NH4)2SO4
2. Na2CO3
3. KCN
4. CH3COONa
5. K2SO4
The pair of solution that has the value of pH more than 7 is....
1 and 2
1 and 3
1 and 4
2 and 3
3 and 5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Larutan Al2(SO4)3 dalam air bersifat asam. Reaksi yang benar untuk menjelaskan hal tersebut adalah....
HSO4-(aq) → SO42-(aq) + H+(aq)
Al(OH)3(s) → Al3+(aq) + 3OH-(aq)
Al3+(aq) + 3H2O(l) → Al(OH)3(s) + 3H+(aq)
H2SO4(aq) + H2O(l) → HSO4-(aq) + H3O+(aq)
SO42-(aq) + 2H2O(l) → H2SO4(aq) + 2OH-(aq)
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