Quiz Kimia Dasar

Quiz Kimia Dasar

11th Grade

67 Qs

quiz-placeholder

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Quiz Kimia Dasar

Quiz Kimia Dasar

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Hard

Created by

Budiyana Budiyana

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67 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Tulis dan setarakan persamaan reaksi berikut. Logam seng direaksikan dengan larutan asam klorida membentuk larutan seng klorida dan gas hidrogen. Larutan kalsium hidroksida bereaksi dengan larutan asam klorida membentuk larutan kalsium klorida dan air. Yodium padat bereaksi dengan larutan natrium hidroksida membentuk larutan natrium iodida, larutan natrium iodat, dan air. Besi(III) oksida bereaksi dengan larutan asam bromida menghasilkan larutan besi(III) bromida dan air. Larutan timbal(II) nitrat bereaksi dengan larutan natrium klorida membentuk endapan timbal(II) klorida dan larutan natrium nitrat.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Berapa liter gas oksigen yang diperlukan pada pembakaran 10 liter butana (C4H10) sesuai reaksi: 2 C4H10(g) + 13 O2(g) → 8 CO2(g) + 10 H2O(l)

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Sebanyak 100 mL gas NxOy terurai menjadi 100 mL gas nitrogen oksida dan 50 mL gas oksigen. Tentukan rumus kimia gas NxOy tersebut!

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Untuk membakar 2 liter gas CxHy diperlukan 10 liter gas oksigen. Jika pada pembakaran itu terbentuk 6 liter CO2 sesuai reaksi: CxHy + O2 → CO2 + H2O (belum setara) tentukan rumus kimia CxHy!

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Delapan liter campuran gas CH4 dan C3H8 memerlukan 25 liter gas oksigen untuk membakar campuran tersebut sesuai reaksi: CH4 + 2 O2 → CO2 + 2 H2O C3H8 + 5 O2 → 3 CO2 + 4 H2O Tentukan komposisi masing-masing gas tersebut!

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Pada suhu dan tekanan tertentu, 1 liter gas N2 mengandung 2Q partikel. Pada suhu dan tekanan yang sama, tentukan jumlah partikel 12 liter gas CO!

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Hitung persentase unsur oksigen pada senyawa FeO dan Fe2O3 (Ar Fe = 56 dan O = 16)!

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