Page 12 - PBD Plus Kimia T4 (EG)

Kimia Tingkatan 4 Bab 2

SP 2.1.3 Menentukan takat lebur dan takat beku naftalena melalui aktiviti.

4. Jalankan aktiviti berikut dan jawab semua soalan. TP 5 KBAT Menilai
Carry out the following activity and answer all questions.

Aktiviti

Tujuan: Menentukan takat lebur dan takat beku naftalena, C H Video
Aim: To determine the melting point and freezing point of naphthalene, C H 10 8 Eksperimen Takat Lebur dan
10 8 Takat Beku Naftalena
Experiment of Melting Point and
IDEA Termometer Freezing Point of Naphthalene
CETUS Thermometer
Tabung didih
Boiling tube
Termometer
71.0 Penerbitan Pelangi Sdn Bhd
Thermometer
Air
Water Tabung didih
Naftelena Boiling tube
Naphthalene
Kelalang kon
Conical flask
Naftelena
Panaskan Naphthalene
Heat
Pemanasan naftalena, C H Penyejukkan naftalena, C H
10
10
Heating of naphtalene, C H 8 Cooling of naphtalene, C H 8
10 8 10 8
Keputusan / Result:
Pemanasan naftalena Penyejukan naftalena
Heating of naphtalene Cooling of naphtalene

Masa (min) Suhu (°C) Keadaan Masa (min) Suhu (°C) Keadaan
Time (min) Temperature (°C) State Time (min) Temperature (°C) State

0.0 61.0 Pepejal / Solid 0.0 87.0 Cecair / Liquid

0.5 65.0 Pepejal / Solid 0.5 840 Cecair / Liquid

1.0 67.0 Pepejal / Solid 1.0 83.0 Cecair / Liquid

1.5 Pepejal / Solid 1.5 81.0 Cecair / Liquid

Pepejal dan cecair
2.0 74.0 Pepejal / Solid 2.0 80.0
Solid and liquid

Pepejal dan cecair
2.5 76.0 Pepejal / Solid 2.5 80.0
Solid and liquid
Pepejal dan cecair
3.0 79.0 Pepejal / Solid 3.0 80.0
Solid and liquid

3.5 80.0 Pepejal dan cecair 3.5 80.0 Pepejal dan cecair
Solid and liquid Solid and liquid

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