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Olimpiade Kimia Quiz

Authored by Elva Susanty

Chemistry

12th Grade

Used 3+ times

Olimpiade Kimia Quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa persamaan reaksi yang seimbang antara natrium hidroksida dan asam klorida?

NaOH + HCl -> NaCl + H2O2

NaOH + HCl -> NaCl + H2

NaOH + HCl -> NaCl + H2O + O2

NaOH + HCl -> NaCl + H2O

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapa mol gas oksigen yang diperlukan untuk bereaksi sepenuhnya dengan 2 mol metana (CH4) sesuai dengan persamaan seimbang berikut: CH4 + 2O2 -> CO2 + 2H2O?

2

6

8

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa pH dari larutan dengan konsentrasi ion hidrogen sebesar 1 x 10^-4 M?

6

2

8

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa yang termasuk asam kuat di antara berikut ini: HCl, CH3COOH, H2SO4, atau HNO3?

NaOH

CH3COOH

HCl, H2SO4, dan HNO3

NH3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa perubahan entalpi standar untuk pembakaran metana (CH4) menurut persamaan seimbang berikut: CH4 + 2O2 -> CO2 + 2H2O?

-890,4 kJ/mol

-890,4 J/mol

-890,4 kJ/g

-890,4 kJ/L

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa nama IUPAC untuk senyawa CH3CH2CH2CH3?

butana

propana

etana

metana

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa hasil dari reaksi antara natrium hidroksida dan asam sulfat?

Na2SO3 + H2O

Na2SO4 + H2O

NaOH + H2SO4

Na2S + H2O

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