PENILAIAN AKHIR SEMESTER GENAP T.A 2020-2021

PENILAIAN AKHIR SEMESTER GENAP T.A 2020-2021

11th Grade

40 Qs

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PENILAIAN AKHIR SEMESTER GENAP T.A 2020-2021

PENILAIAN AKHIR SEMESTER GENAP T.A 2020-2021

Assessment

Quiz

Chemistry

11th Grade

Medium

Created by

Susilawati Suwito

Used 15+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

pH dari larutan garamNH4CN 0,2 M dengan Ka HCN 4,0X 10-10 mol/L ,Kb NH3= 1,8 X 10-5mol/L adalah....

8,287

8,227

8,872

8,827

8,782

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Larutan garam yang berasal dari Asam lemah dan basa lemah akan bersifat asam jika :

Ka> Kb

Ka< Kb

Kb > Ka

Ka = Kb

Kb dan Ka sebanding

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dilarutkan 0,98 gram NaCN sampai volume 125 ml maka pH Larutan tersebut adalah...

Ka HCN =4 X10-10,Ar Na = 23,C =12,N =14

2 - log 3

3 -log 2

12 + log 3

11 - log 2

11 + log 2

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Larutan NaOH 0,30 M sebanyak 20 ml ditambahkan kedalam 40 ml larutan CH3COOH 0,15 M {Ka 10-5},maka pH larutan campurannya adalah...

7,0

7,5

8,0

8,5

9,0

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sebanyak 50 ml larutan HCl 0,1 M dicampurkan dengan 50 ml larutan NH40H 0,1 M.Jika KbNH4OH =5 X10-5, pH larutan campuran adalah..

4,0

5,0

5,5

6,0

7,0

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diantara garam-garam berikut yang mengalami hidrolisis total dalam air adalah....

NH4Cl

NH4CN

KCN

CuSO4

Mg SO4

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Garam yang mengalami Hidrolisis sebagian dan bersifat asam adalah...

CH3COONa

HCOOK

NH4Cl

KCl

CH3COONH4

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