Page 504 - SET 1 Koleksi Soalan dan Skema Jawapan SPM KBSM

(a) Complete the diagram 4 with a suitable apparatus.
Lengkapkan rajah 4 dengan radas yang sesuai.

Burette
Buret

Water
Air

20 cm of 0.1 mol dm of sulphuric acid + excess zinc granules
3
-3
20 cm asid sulfurik 0.1 mol dm + ketulan zink berlebihan
-3
3
Diagram 4
Rajah 4
[1 mark]
[1 markah]

(b) Write the chemical equation for the reaction between zinc and sulphuric acid.
Tuliskan persamaan kimia bagi tindak balas antara zink dan asid sulfurik

........................................................................................................................................
[2 marks]
[2 markah]

3
(c) Calculate the average rate of the reaction for experiment I and experiment II in cm s .
-1
3
Kira purata kadar tindakbalas untuk eksperimen I dan eksperimen II dalam unit cm s -1
(i) Experiment I
Eksperimen I

(ii) Experiment II
Eksperimen II

[2 marks]
[2 markah]

11