menghadapi UTS XI IPA

menghadapi UTS XI IPA

11th Grade

18 Qs

quiz-placeholder

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menghadapi UTS XI IPA

menghadapi UTS XI IPA

Assessment

Quiz

Chemistry

11th Grade

Medium

Created by

Kacuk Sudarmono

Used 9+ times

FREE Resource

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Menurut teori asam-basa Bronsted-Lowry, asam didefinisikan sebagai zat yang . . . .

Meningkatkan [H+] bila dimasukkan kedalam H2O

Menurunkan [H+] bila dimaasukkan kedalam H2O

Meningkatkan [OH–] bila dimasukkan kedalam H2O

Menerima 1 H+ dari pasangan reaksinya

Memberi 1 H+ dari pasangan reaksinya

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Menurut teori asam-basa Bronsted-Lowry, asam didefinisikan sebagai zat yang . . . .

Meningkatkan [H+] bila dimasukkan kedalam H2O

Menurunkan [H+] bila dimaasukkan kedalam H2O

Meningkatkan [OH–] bila dimasukkan kedalam H2O

Menerima 1 H+ dari pasangan reaksinya

Memberi 1 H+ dari pasangan reaksinya

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Derajat keasaman dari larutan 100 ml H2SO4 0,02 M adalah . . . .

2 – log 4

2 + log 4

2 + log 2

12 + log 4

12

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapakah konsentrasi ion [OH–] dalam larutan jika konsentrasi H+ = 2 X 10-4 M (Diketahui Kw = 10-14)…….

5 X 10-10

5 X 10-18

0,2 X 10-10

0,2 X 10-8

2 X 10-10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Larutan asam lemah NH4OH 0,1 M,dan Kb = 10-5 , nilai pH larutan tersebut adalah… . .

11

3

9

14

6

6.

MULTIPLE CHOICE QUESTION

30 sec • 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)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hitunglah pH larutan jika 17,1 gram Ba(OH)2 dilarutkan dalam air sehingga volume larutan menjadi 500 mL. (Ar Ba = 137; O = 16; H = 1)

13,60

16,30

8

9,70

11

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