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Kimia Tingkatan 4 : Bab 3

Authored by Theresa Stanley

Chemistry

11th Grade

Used 18+ times

Kimia Tingkatan 4 : Bab 3
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22 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Berapakah bilangan atom litium yang mempunyai jisim yang sama dengan 2 atom nitrogen?

[Jisim atom relatif: Li = 7; N = 14]

2

4

6

8

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jisim atom relatif plumbum ialah 207. Antara pernyataan berikut, yang manakah benar?

[Jisim atom relatif: Na = 23]

0.01 mol plumbum berjisim 2.07 g

20.7 g plumbum mengandungi 6.02 x 1021 atom

1 mol plumbum mempunyai isi padu 24 dm3 pada keadaan bilik

Jisim satu atom plumbum adalah sama dengan jisim 7 atom natrium

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Antara bahan berikut, yang manakah mempunyai 3.01 x 1023 atom?

0.25 mol air

0.5 mol karbon

0.5 mol gas oksigen

0.3 mol gas hidrogen

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Berapakah bilangan ion nitrat, NO3- dalam 2 mol aluminium nitrat, Al(NO3)3?

[Pemalar Avogrado: 6.02 x 1023 mol-1]

1.204 x 1024 mol-1

1.806 x 1024 mol-1

3.010 x 1024 mol-1

3.612 x 1024 mol-1

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Hitungkan jisim molekul relatif, JMR bagi sebatian ammonia, NH3.

[JAR: C =12; Cl = 35.5; O = 16; H = 1; N = 14]

10

14

17

20

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Hitungkan jisim formula relatif, JFR bagi sebatian ion Ammonium sulfat, (NH4)2SO4.


[JAR: Mg =24; Cl = 35.5; O = 16; H = 1; N = 14; S = 32; Cu = 64]

106

188

250

132

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Hitungkan bilangan atom bagi 0.2 mol ferum, Fe.

[Pemalar Avogadro, NA: 6.02 x 1023mol-1]

1.04 x 1023 atom

1.204 x 1023 molekul

1.204 x 1023 atom

1.206 x 1023 ion

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