
3second
Quiz
•
Geography
•
2nd Grade
•
Practice Problem
•
Medium
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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(A - B) Apabila larutan asam kuat ditambahkan suatu larutan basa kuat maka hal berikut yang tidak terjadi adalah ....
reaksi netralisasi
penambahan molekul air
berkurangnya ion H+
bertambahnya ion OH–
penurunan pH larutan
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(A-B) Pasangan asam basa konjugasi yang tepat dari reaksi berikut,
NH3 + H2O <==> NH4+ + OH- adalah ….
NH3 – OH-
H2O – OH-
NH3 – NH4+
H2O – NH4+
OH- - H2O
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(A - B) Berikut yang merupakan kelompok asam kuat adalah ….
HNO3, HCN, HCl
H2CO3, HBr, HF
HBr, NaOH, H2SO4
KOH, MgSO4, HCl
HI, HNO3, HBrO3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(A - B) Harga pH dari 0,005 M senyawa H2SO4 adalah ….
2
3 - log 5
11 + log 5
12
3,5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(A - B) Berikut yang merupakan kelompok basa lemah adalah ….
NH3, Be(OH)2, Al(OH)3
NH4OH, CaCO3, Ba(OH)2
Fe(OH)2, NH3, Ca(OH)2
KOH, NaOH, Mg(OH)2
NH3, CH3COOH, NH4OH
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(A - B) Nama senyawa yang tepat untuk rumus molekul NH4OH, HCN, MgSO4 berturut-turut adalah ….
ammonia, asam sianida, magnesium sulfat
ammonium hidroksida, asam karbon nitrida, magnesium sulfat
almunium hidroksida, asam sianida, magnesium sulfat
ammonium hidroksida, asam sianida, magnesium sulfat
ammonia, asam karbonat, magnesium sulfat
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(A - B) Hasil reaksi antara asam karbonat (H2CO3) dengan aluminium hidroksida (Al(OH)3), yang tepat adalah ….
AlCO3 + H2O
Al3(CO3)2 + H2O
Al2CO3 + H2O
Al2(CO3)3 + H2O
Al(CO3)3 + H2O
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