Bab 3: Persamaan Kimia

Quiz
•
Chemistry
•
10th - 11th Grade
•
Hard
Faizunniza Yahini
Used 2K+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zink nitrat dan air
Zink nitrat dan asid nitrik
Zink hidroksida dan zink nitrat
Zink hidroksida dan asid nitrik
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Persamaan kimia manakah yang diseimbangkan dengan betul?
Ca → CaO + 2 +
+ 5 → 3 + 4
2 KMn → + +
+ 2 HCl → 2 NaCl + + 2 S +
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mg + O MgO
2MgO 2Mg +
2Mg + 2MgO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan berikut mewakili satu tindak balas kimia.
Zn (s) + 2HCl (aq) → (aq) + (g)
Pernyataan yang manakah betul?
2 mol zink bertindak balas dengan 1 mol asid hidroklorik
Hasil tindak balas ialah pepejal zink klorida dan gas hidrogen
Bahan tindakbalas ialah pepejal zink dan larutan asid hidroklorik
1 mol zink klorida dan 2 mol gas hidrogen telah terbentuk
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tindak balas antara magnesium fluorida dan litium karbonat menghasilkan magnesium karbonat dan litium fluorida. Yang manakah merupakan persamaan kimia seimbang bagi tindak balas tersebut?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan berikut mewakili tindak balas antara kalium dan oksigen.
Berapakah jisim maksimum kalium oksida yang terbentuk apabila 19.5 g kalium dipanaskan dengan lengkap dalam oksigen. [Jisim atom relatif: K = 39; O = 16]
15.5 g
23.5 g
19.5 g
31.5 g
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Persamaan berikut mewakili pembakaran propana dalam oksigen berlebihan.
Apakah isipadu gas karbon dioksida yang terhasil apabila 48 propana terbakar dengan lengkap?
[Isipadu molar gas = 24 pada suhu bilik]
28
48
96
144
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