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Persamaan dan perhitungan reaksi kimia

Authored by SITI SOBRIAWATI

Chemistry

10th Grade

Used 7+ times

Persamaan dan perhitungan reaksi kimia
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

indeks

koefisien

reaktan

produk

isomer

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

N2(g) + 3H2(g) → 2NH3(g)

Angka 2 dalam N2 menunjukkan….

indeks

koefisien

pereaksi

produk

isomer

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Banyaknya fase/wujud dalam kimia sebanyak….

1

2

3

4

5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l)

NaOH dan HCl

NaOH dan NaCl

NaCl dan H2O

HCl dan H2O

NaOH dan H2O

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ba(s) + Al2(SO4)3(aq) → Al(s) + BaSO4(s)

1, 1, 1, dan 1

1, 1, 2, dan 1

3, 1, 1, dan 3

1, 1, 2, dan 3

3, 1, 2, dan 3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diantara persamaan reaksi berikut yang sudah setara adalah….

P4(s) + O2(g) → P2O5(g)

P4(s) + 3O2(g) → 2P2O3(g)

Al(s) + Cl2(g) → AlCl3(g)

Na(s) + H2O(l) → NaOH(aq) + H2(g)

Al(s) + ZnCl2(g) → AlCl3(s) + Zn(s)

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Reaksi antara 4,8 gram logam magnesium (Ar=24) dengan larutan HCl berlebihan sesuai dengan persamaan reaksi berikut.

Mg(s) + HCl(aq) → MgCl2(aq) + H2(g) (belum setara)

Volume gas H2 yang dihasilkan STP adalah….liter

2,24

4,48

6,72

11,2

22,4

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