Perhatikan persamaan kimia berikut. H+ + H2O ⟶ H3O+ pernyataan berikut yang sesuai dengan teori Lewis adalah.... Ion H+ adalah asam H2O adalah asam H3O+ bersifat netral Ion H2O adalah asam ion H+ bersifat basa

Soal Ujian Kimia XI IPA Genap

Quiz
•
Chemistry
•
11th Grade
•
Medium
Novita Yuli
Used 1+ times
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39 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Perhatikan data berikut. Larutan Perubahan Warna Lakmus Biru Lakmus Merah 1 2 3 4 5 Merah Biru Biru Merah Merah Biru Biru Biru Merah Merah Larutan yang mengandung ion OH- adalah.... 1 dan 2 2 dan 3 3 dan 4 1 dan 5
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Indikator yang cukup teliti untuk mengukur kekuatan larutan asam atau derajat keasaman adalah.... fenolftalein bromtimol biru metil kuning metil jingga metil merah
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Diketahui persamaan kimia: HCOOH (aq) + HNO2 (aq)⇌ HCOOH2+ (aq) + NO2- (aq) HCOOH dan HNO3 HCOOH dan NO2- HNO2 dan HCOOH2+ HCOOH dan HCOOH2+
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Tabel harga Kabeberapa asam adalah sebagai berikut. No Asam Ka 1. 2. 3. 4. 5. HCN CH3COOH HF HCOOH HNO2 4 ×10-10 1,8 ×10-5 7,2 ×10-4 1,8 ×10-4 4,5 ×10-4 Diantara asam-asam tersebut yang bersifat paling lemah adalah.... HCN HF HCOOH CH3COOH
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
Larutan 0,74 g Ca(OH)2 (Mr = 74) dalam 2 L air memiliki harga PH.... 3 - log 5 12 12 - log 5 2
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Tetapan disosiasi suatu asam lemah adalah 10-7. Larutan asam tersebut dengan pH = 4 memiliki konsentrasi.... 10-1 M 10-4 M 10-7 M 10-3 M
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