
PENILAIAN SUMATIF TENGAH SEMESTER
Quiz
•
Chemistry
•
11th Grade
•
Medium
RASDI RASDI
Used 1+ times
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bahan berikut dapat digunakan untuk mengidentifikasi larutan asam basa berdasarkan perubahan warna larutan, kecuali....
Kertas lakmus
Fenolftalein
Metil merah
Bunga lampu
Daun keladi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Menurut Arrhenius asam dan basa berikut jika dilarutkan dalam air akan terionisasi.Reaksi berikut ini yang tepat adalah.....
H2SO4 → H2O + SO3
H3PO4 → H3O+ + PO3-
H2CrO4 → 2H+ + CrO42-
NaOH → Na2+ + OH-
Ca(OH)2 → Ca2+ + OH2-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam gelas erlemeyer terdapat larutan 10 mL H2SO4 0,005 M . Pernyataan yang tidak tepat adalah....
Uji lakmus biru berubah merah
Larutan bersifat asam
H2SO4 → 2H+ + SO42-
[H+]=0,01 M
pH = 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam gelas erlemeyer terdapat larutan 10 mL Ba(OH) 0,005 M . Pernyataan yang tidak tepat adalah....
Uji lakmus biru berubah merah
Larutan bersifat basa
Ba(OH)2 → Ba2+ + 2OH-
[OH-]=0,01 M
pH = 12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam gelas erlemeyer terdapat larutan 10 mL CH3COOH 0,1 M dan Ka. CH3COOH=10-5
Pernyataan yang tepat adalah.....
Uji lakmus merah berubah biru
Larutan bersifat basa
Termasuk basa lemah
[OH-]=0,1 M
pH = 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi : 2HBr + Mg(OH)2 → MgBr2 + 2H2O
Berdasarkan reaksi tersebut, pernyataan yang salah adalah....
HBr adalah asam bromida
Mg(OH)2 adalah basa magnesium hidroksida
MgBr2 adalah garam magnesium bromida
H2O adalah aquadestilata
Larutan garamnya ber pH lebih dari 7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini yang termasuk asam kuat adalah....
HCl
H3PO4
HCOOH
CH3COOH
C3H7COOH
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