PAT KIMIA KELAS XI
Quiz
•
Chemistry
•
11th Grade
•
Hard
Muhsinah Muhsinah
Used 2+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Basa adalah senyawa yang dalam air dapat menghasilkan ion hidroksida (OH–) merupakan pengertian basa menurut ...
Bronsted Lowry
Arrhenius
Lewis
Amadeo Avogadro
Antoine Lavoisier
Answer explanation
Arrhenius is the correct choice because it defines bases as compounds that produce hydroxide ions (OH-) in water.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Untuk mengukur derajat keasaman asam atau basa yang akurat, paling tepat menggunakan. . . .
Fenolftalein
Metil jingga
pH meter
Bromtimol biru
Universal
Answer explanation
Untuk mengukur derajat keasaman asam atau basa yang akurat, paling tepat menggunakan pH meter.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diantara zat-zat berikut yang memiliki keasaman paling kuat adalah….
HCN (Ka = 6,0 x 10-10)
CH3COOH (Ka = 1,8 x 10-5)
HCl (Ka = 1 x 106 )
NH3 (Ka = 10-33)
H2O (Ka = 1,8 x 10-16)
Answer explanation
HCl (Ka = 1 x 10^6) has the strongest acidity among the given options with the highest Ka value.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kertas lakmus biru akan berubah menjadi merah, bila dimasukkan ke dalam larutan…
Kalium hidroksida
Natrium klorida
Barium sulfat
Asam klorida
Natrium nitrat
Answer explanation
Kertas lakmus biru akan berubah menjadi merah bila dimasukkan ke dalam larutan asam klorida.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan yang mempunyai pH lebih besar dari 7 adalah . . . .
Gula
Alkohol
Amoniak
Asam nitrat
Asam klorida
Answer explanation
Larutan yang mempunyai pH lebih besar dari 7 adalah Amoniak.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika suatu asam kuat dicampur dengan basa lemah, maka akan terbentuk larutan garam yang bersifat . . . .
Asam jika Ka > Kb
Basa jika Ka < Kb
Netral
Asam
Basa
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika 5,35 g NH4Cl ( Mr = 53,5 ) dilarutkan dalam air hingga volumenya menjadi 250 mL, akan diperoleh larutan dengan pH . . . .
(Kb NH3 = 1x 10-5)
5 – log 2
9 – log 4
5
5 + log 4
9 – log 4
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