Stoikiometri

Stoikiometri

10th Grade

10 Qs

quiz-placeholder

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Stoikiometri

Stoikiometri

Assessment

Quiz

Other

10th Grade

Practice Problem

Hard

Created by

Hansalianti 25

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Senyawa aluminium hidroksida mempunyai

rumus kimia ....

Al(OH)5

AI(OH)4

AI(OH)3

AI(OH)2

AI(OH)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nama yang tidak sesuai dengan rumus kimia zat adalah...

K2O = dikalium oksida

Cu2S = tembaga (I) sulfida

AI(OH)3 = aluminium hidroksida

Feo = besi (II) oksida

Ca(No3)2 = kalsium nitrat

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nama yang benar untuk senyawa Cu2S adalah...

Tembaga (I) sulfida

Tembaga (II) sulfida

Tembaga (II) sulfat

Tembaga sulfat

Dikuprum monosulfida

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pada reaksi : Cl2 + naoh --> nacl + naclo3 + H2O maka koefisien CI2 sebesar...

1

2

3

4

5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suatu tabung yang berisi gas metana, CH4 (Mr = 16) ditimbang pada suhu dan tekanan tertentu. Tabung itu dikosongkan, kemudian diisi dengan gas oksigen pada suhu dan tekanan yang sama. Berapakah berat gas metana?

Dua kali berat oksigen

Sama dengan berat oksigen

Seperlima berat oksigen

Setengah berat oksigen

Lima kali berat oksigen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika diketahui Ar Fe = 56, S = 32 dan O = 16, maka massage besi yang terdapat dalam 4 gr Fe2(SO4)3 adalah....

1,12 gr

0,01 gr

4,00 gr

0,28 gr

0,56 gr

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Persamaan reaksi setara antara gas hydrogen yang bereaksi dengan nitrogen membentuk amonia adalah...

3 H + N --> NH3

H2 + N --> NH2

3 H2 + N2 --> 2 NH3

3 H + N2 --> 2 NH3

4 H2 + N2 --> 2 NH3

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