Olimpiade Kimia Quiz
Authored by Elva Susanty
Chemistry
12th Grade
Used 6+ times
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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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