Page 56 - KOMPILASI ARAHAN TUGASAN PEKA SPM KINTA UTARA 2022

CONTOH JAWAPAN MURID
EKSPERIMEN 9.1.2: MENJALANKAN EKSPERIMEN UNTUK MEMBANDING CIRI-CIRI ALOI DENGAN LOGAM
TULENNYA.
CARRY OUT AN EXPERIMENT TO COMPARE THE PROPERTIES OF ALLOYS WITH ITS PURE METALS.

TAJUK Ketahanan Aloi terhadap Kakisan
TITLE Resistance of Alloy to Corrosion

a) Pernyataan Adakah aloi lebih tahan terhadap kakisan berbanding dengan logam tulen?
masalah Is alloy more resistant to corrosion compared to pure metal?
Problem
statement
b) Hipotesis Paku keluli lebih tahan karat berbanding paku besi.
Hypothesis A steel nail is more resistant to rust than an iron nail.

c) Tujuan Mengkaji perbezaan ketahanan terhadap kakisan antara aloi dengan logam tulen
Aim To study the resistance to corrosion of alloy as compared to pure metals.

d) Pemboleh ubah
Variables Dimanipulasikan Jenis paku
Manipulated Type of nail
Bergerakbalas Pengaratan paku
Responding Rusting of nail
Dimalarkan Isi padu dan kepekatan larutan natrium klorida
PANITIA SAINS DAERAH KINTA UTARA
Constant Volume and concentration of sodium chloride solution

e) Radas Tabung uji dan rak tabung uji
Apparatus Test tubes and test tube rack

f) Bahan Paku keluli, paku besi dan larutan natrium klorida
Materials Steel nail, iron nail and sodium chloride solution

g) Susunan radas
dan bahan
Arrangement
of apparatus
and materials

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