Page 64 - Hybrid PBD 2022 Tg 5 - Kimia

Kimia Tingkatan 5 Bab 4

(e) Zarah getah terdiri daripada molekul-molekul (f) Struktur bagi satu zarah getah.
getah yang diselaputi membran protein The structure of a rubber particle.
(i)
dengan cas negatif di Cas negatif
permukaannya. Negative charge
The rubber particles are made up of rubber molecules covered (ii)
by a protein membrane with negative charges on Membran protein
Protein membrane
its surface.
(iii)
Molekul getah
Penerbitan Pelangi Sdn Bhd. All Rights Reserved
Rubber molecule

2. Lengkapkan ciri-ciri getah asli dalam Peta Buih di bawah. SP 4.2.1 TP1
Complete the characteristics of natural rubber in the following Bubble Map.
i-Think
i-Think Peta Buih
i-Think

Kenyal / Anjal
Elastic

Reaktif kepada
Penebat elektrik bahan kimia
Electrical insulator Reactive to
chemicals
Ciri-ciri
getah asli
Characteristic
of natural rubber

Mudah
Kalis air
dioksidakan Waterproof
Easily oxidised

Tidak tahan
haba
Low heat resistance

3. Berikan tiga kegunaan getah asli. SP 4.2.1 TP2
State three uses of natural rubber.
Tayar, sarung tangan, dan hos

Tyres, gloves and hose

135 © Penerbitan Pelangi Sdn. Bhd.

04 Hybrid Kimia Tg5.indd 135 05/11/2021 4:20 PM