Formula bagi ion natrium ialah Na+ dan formula bagi ion sulfat ialah SO42-. Apakah formula kimia bagi natrium sulfat?
KIMIA TINGKATAN 4

Quiz
•
Chemistry
•
4th - 5th Grade
•
Medium
NOR Moe
Used 3+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
NaSO4
Na2SO4
Na2(SO4)2
2NaSO4
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
HCI adalah formula kimia bagi
Asid nitrik
Asid hidroklorik
Asid sulfurik
Asid etanoik
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Natrium bertindak balas dengan air menghasilkan natrium hidoksida dan gas hidrogen. Antara berikut yang manakah formula kimia bagi hasil tindak balas?
Na
NaOH
H2O
H2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tuliskan persamaan kimia yang seimbang daripada persamaan perkataan berikut:
Magnesium bertindak balas dengan asid hidroklorik menghasilkan magnesium klorida dan gas hidrogen
Mg + HCl → MgCl + H2
Mg + 2HCl → MgCl2 + H2
2Mg + 2HCl → 2MgCl2 + H2
Mg + 2HCl → MgCl2 + 2H
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl (ak) + AgNO3 (ak) → AgCI (p) + NaNO3 (ak)
Nyatakan jenis zarah dalam NaCI
atom
molekul
ion
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Zink, Zn bertindak balas dengan oksigen, O2 menghasilkan zink oksida, ZnO.
2Zn + O2 → 2ZnO
Berapakah bilangan mol bagi zink, Zn jika bilangan mol bagi zink oksida, ZnO ialah 3.0 mol.
3.0
1.5
6.0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan berikut menunjukkan tindak balas antara ferum, Fe dan klorin, CI2.
2Fe + 3Cl2 → 2FeCI3
33.6 g ferum bertindak balas dengan gas klorin menghasilkan ferum(III) klorida pada suhu bilik. Hitungkan bilangan mol ferum yang bertindak balas.
[JAR bagi Fe = 56]
0.3
0.6
1.2
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