Manakah di bawah ini yang merupakan persamaan reaksi pembakaran sempurna metana (CH₄)?

MARI BERMAIN

Quiz
•
Chemistry
•
10th Grade
•
Hard
Fauziah Ruslan
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
CH₄(g) + O₂(g) → C(s) + H₂O(l)
CH₄(g) + O₂(g) → CO₂(g) + H₂O(g)
CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(g)
CH₄(g) + 3O₂(g) → CO(g) + H₂O(g)
CH₄(g) + O₂(g) → CO₂(s) + H₂(g)
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Perhatikan reaksi berikut:
Al(s) + HCl(aq) → AlCl₃(aq) + H₂(g)
Koefisien yang benar agar reaksi menjadi setara adalah....
1, 1, 1, 1
1, 3, 1, 3
2, 6, 2, 3
2, 3, 2, 3
2, 6, 3, 1
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tentukan persamaan reaksi antara asam sulfat (H₂SO₄) dan natrium hidroksida (NaOH):
H₂SO₄(aq) + NaOH(aq) → NaSO₄(aq) + H₂(g)
H₂SO₄(aq) + 2NaOH(aq) → Na₂SO₄(aq) + 2H₂O(l)
H₂SO₄(aq) + 2NaOH(aq) → Na₂S(aq) + 2H₂O(l)
H₂SO₄(aq) + NaOH(aq) → NaHSO₄(aq) + H₂(g)
H₂SO₄(aq) + 2NaOH(aq) → NaOH(aq) + H₂SO₄(aq)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diketahui reaksi:
Fe(s) + CuSO₄(aq) → ...
Jika produk berupa larutan dan logam, maka hasil reaksi adalah....
FeSO₄(aq) + Cu(s)
FeO(aq) + CuSO₄(s)
Fe(s) + Cu(s)
FeSO₄(s) + CuSO₄(aq)
Fe₂SO₃(aq) + Cu₂O(s)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Perhatikan persamaan reaksi berikut:
CaCO₃(s) + HCl(aq) → CaCl₂(aq) + CO₂(g) + H₂O(l)
Seorang siswa menyetarakannya menjadi:
CaCO₃(s) + 2HCl(aq) → CaCl₂(aq) + CO₂(g) + H₂O(l)
Evaluasi yang tepat adalah....
Salah karena menghasilkan dua gas
Benar karena semua unsur setara di kedua sisi
Salah karena CaCl₂ adalah gas
Salah karena H₂O seharusnya tidak terbentuk
Benar hanya jika dipanaskan
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tuliskan persamaan reaksi antara magnesium dan oksigen….
Mg(s) + O₂(g) → MgO₂(s)
2Mg(s) + O₂(g) → 2MgO(s)
Mg(s) + O(g) → MgO(s)
Mg(g) + O₂(g) → MgO(g)
2Mg(g) + O₂(g) → Mg₂O₂(s)
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apa persamaan reaksi antara larutan barium klorida (BaCl₂) dan natrium sulfat (Na₂SO₄)?
BaCl₂(aq) + Na₂SO₄(aq) → BaSO₄(s) + 2NaCl(aq)
BaCl₂(aq) + Na₂SO₄(aq) → Ba₂SO₄(aq) + NaCl₂(s)
BaCl₂(s) + Na₂SO₄(s) → BaSO₄(s) + NaCl(s)
Ba(aq) + SO₄(aq) → BaSO₄(aq)
BaCl₂(aq) + Na₂SO₄(aq) → BaCl₂(aq) + Na₂SO₄(aq)
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