Quiz Kimia Dasar

Quiz Kimia Dasar

11th Grade

10 Qs

quiz-placeholder

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Quiz Kimia Dasar

Quiz Kimia Dasar

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Medium

Created by

Bob Arridho

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika diketahui (Ar K = 39, S = 32, O = 16), maka Mr dari K2SO4 adalah ….

78

110

167

174

186

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika diketahui Ar Ca = 40, C = 12, O = 16 dan bilangan Avogadro = 6,02 x 1023, maka 50 gram CaCO3 mempunyai jumlah molekul …. atom.

3,01 x 1021

3,01 x 1022

3,01 x 1023

6,02 x 1022

1,204 x 1023

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jumlah mol dari 29 gram magnesium hidroksida Mg(OH)2 adalah …. (Ar Mg =24, O = 16, H = 1).

0,2

0,5

2

2,5

5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Konsentrasi larutan dibuat dari 25 gram padatan CaCO3 dan dilarutkan dalam air hingga volume larutan menjadi 500 ml adalah …. M (Ar Ca = 40, C = 12, O = 16).

0,025

0,05

0,25

0,5

0,1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Volume oksigen yang dihasilkan pada reaksi pemanasan 49 gram kalium klorat (Mr = 122,5) pada keadaan standard adalah …. Liter.

4,48

11,2

17,92

8,96

13,44

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Massa dari 1,204 x 1022 molekul NH3 (Ar N = 14 dan H = 1) adalah …. Gram.

0,17

0,34

1,70

2,80

3,40

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Volume dari 8 gram SO3 (Ar S = 32, O = 16) pada suhu 30oC dan tekanan 1 atm (R = 0,082) adalah ….liter.

2,48

5,24

1,24

6,21

4,84

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