Ujian Sekolah Kimia

Ujian Sekolah Kimia

12th Grade

40 Qs

quiz-placeholder

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Ujian Sekolah Kimia

Ujian Sekolah Kimia

Assessment

Quiz

Science

12th Grade

Practice Problem

Hard

Created by

Juhardi Juhardi

Used 21+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Perhatikan diagram susunan partikel atom dari unsur P dan Q berikut!

Notasi unsur P dan Q adalah ...

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

n = 3;  l = 0;  m = -1;  s = +½

n = 3;  l = 0;  m = +1; s = -½

n = 3;  l = 1;  m = +1;  s = +½

n = 3;  l = 2;  m = 0;  s = -½

n = 3;  l = 1;  m = 0;  s = -½

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

[Ar] 4s2 3d104p5

Golongan VII A

[Ar] 3d10 4s2 4p5

Golongan VII B

[Ar]3d104s24p5

Golongan VB

[Ar]3d10­ 4s2 4p6

Golongan VIIIA

[Ar]3d10 4s2 4p3

Golongan VA

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Fraksi mol CO dalam campuran gas CO dan CO2 adalah 0,75. Jika dalam wadah 1 L dan temperatur 500 K, campuran gas tersebut memiliki tekanan 8,2 atm, jumlah CO dalam campuran gas tersebut adalah ... (R = 0,82 L atm/mol K

0,05 mol

0,10 mol

0,15 mol

0,20 mol

0,25 mol

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

0,72 MS-1

1,44 MS-1

3,20 MS-1

6,84 MS-1

12,62 MS-1

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Gas ammonia dapat dibuat melalui reaksi: N2(g) + H2(g) → NH3(g) Jika sebanyak 14 gram gas nitrogen direaksikan dengan gas hidrogen, volume gas amonia yang dihasilkan pada keadaan standar (STP) adalah .... (Ar N= 14; H= 1)

6,72 liter

11,2 liter

22,4 liter

44,8 liter

67,2 liter

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Perhatikan reaksi asam basa menurut Bronstd-Lowry berikut ini!

NH4(aq)+  H2O(aq)⇌ NH3(aq)+  H3O+ (aq)

CH3COOH(aq)+  HNO2(aq)⇌ CH3COOH2+(aq)+NO2-(aq)

Spesi yang merupakan pasangan asam basa konjugasi adalah ....

CH3COOH  dan HNO2

NH4+dan  NH3

NH3dan  H3O+

CH3COOH2+dan  NO2-

NH4dan  H2O

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