BAB 3 TINGKATAN 4 KIMIA KSSM
Quiz
•
Chemistry
•
11th Grade
•
Medium
Asze Norelya Abdul
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jisim molekul relatif bagi Klorin, Cl2?
JAR Cl = 35.5
71
35.5
2
Answer explanation
Cl2 = (2 x 35.5) = 71
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jisim molekul relatif bagi Asid etanoik, C3H7OH
JAR= C: 12 H: 1 O: 16
59
62
60
Answer explanation
C3H7OH = (3x12) + (7x1) + (1x16) + (1x1)
= 60
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung jisim formula relatif bagi sebation ion:
JAR = Fe: 56 S: 32 O: 16 H: 1
Ferum(II) sulfat heptahidrat, FeSO4 . 7H2O
228
288
300
278
Answer explanation
Ferum(II) sulfat heptahidrat, FeSO4 . 7H2O
= (1x56) + (1x32) + (4x16) + 7 ((2x1) + (1x16))
= 278
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung bilangan atom hidrogen, H dalam 0.8 mol air, H2O?
JAR: H: 1 O: 16
9.232 x 1022 atom
4.816 x 1023 atom
9.553 x 1023 atom
9.632 x 1023 atom
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satu sampel mengandungi 2.0 mol gas etana, C2H6.
Berapakah bilangan molekul etana, C2H6 dalam sampel?
JAR: C: 12 H: 1
2.224 x 1024 molekul
1.204 x 1024 molekul
3.015 x 1023 molekul
Answer explanation
Bil. mol x Pemalar Avogadro = Bil. zarah
2.0 mol x (6.02 x 1023) = 1.204 x 1024 molekul
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jisim molar ialah
Jisim satu gram bahan
Jisim satu bahan
Jisim satu mol bahan
Jisim
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0.25 mol bahan X mempunyai jisim 5.5 g. Cari jisim molar X.
26 g
2.0 g
2 g
22 g
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