T4 Bab 3: Konsep Mol, Formula dan Persamaan Kimia

Passage
•
Chemistry
•
11th Grade
•
Hard

Ikmal Hafiz
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Rajah di atas menunjukkan formula kimia bagi kalium heksasianoferat(III) trihidrat.
Apakah jisim relatif sebatian ini ?
[Jisim atom relatif : H =1; C= 12; N= 14; O= 16; K= 39; Fe = 56]
141
256
389
422
2.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Jika 41.4 g unsur P berpadu dengan 6.4 g unsur Q, apakah formula bagi sebatian
yang terbentuk ?
[Jisim atom relatif : P = 207; Q = 16]
PQ
P2Q
PQ2
P2Q3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Antara berikut, yang manakah benar ?
I dan II sahaja
II dan III sahaja
II dan IV sahaja
III dan IV sahaja
4.
MULTIPLE CHOICE QUESTION
10 mins • 3 pts
Tindak balas antara aluminium dan kuprum(II) oksida boleh diwakili dengan
persamaan kimia berikut.
2Al (p) + 3CuO (p) → Al2O3 (p) + 3Cu (p)
Hitung jisim aluminium yang diperlukan untuk tindak balas lengkap dengan 24 g
kuprum(II) oksida.
[Jisim atom relatif : Cu = 64; Al = 27; O = 16]
2.7 g
5.4 g
8.1 g
10.8 g
5.
OPEN ENDED QUESTION
3 mins • 2 pts
Tuliskan formula kimia bagi zink nitrat.
Evaluate responses using AI:
OFF
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Apabila larutan argentum nitrat ditambahkan kepada larutan zink klorida,
mendakan putih argentum klorida dan larutan zink nitrat terhasil.
Namakan bahan-bahan tindak balas. (letakkan perkataan "dan")
7.
MULTIPLE CHOICE QUESTION
10 mins • 3 pts
Argentum nitrat terurai apabila dipanaskan dengan kuat mengikut persamaan
berikut:
2AgNO3 → 2Ag + 2NO2 + O2
Dalam satu eksperimen, seorang pelajar telah memanaskan 85 g
argentum nitrat.
Hitungkan jisim argentum yang terhasil pada keadaan bilik.
[Jisim atom relatif : N = 14, O = 16, Ag = 108]
37 g
20 g
54 g
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