Page 177 - MODUL KIMIA A+XPLOSIVE SPM (LATEST)

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SPM Chemistry A xplosive Module (Chemistry A Ticket For “U”) ANSWERS

Set II
P10. The reaction did not occur because metal Y below
copper in the reactivity series./ Tindak balas tidak
berlaku sebab logam Y dibawah kuprum dalam siri
kereaktifan 10

TOTAL / JUMLAH 20
NO MARK SCHEME MARKS
8(a)(i) Raw material
P1 : Sulphur // Sulfur
P2 : Oxygen / Air // Oksigen / Udara
Catalyst
P3 : Vanadium (V) oxide // V 2O 3 //
Vanadium (V) oksida // V 2O 3
Equation
P4: Correct formulae of reactants and product //
Formula bahan-bahan tindak balas dan hasil
tindak balas yang betul
P5 : Balanced equation// Persamaan seimbang 5

2SO 2 + O 2  2SO 3
C
(ii) ompound Y
P1 : Ammonium sulphate // Ammonium sulfat

Reaction B
P2 : Neutralisation // Peneutralan 2
(iii) Gas Y
P1 : Sulphur dioxide gas //
Gas sulfur dioksida

Explain why plant cannot grow well
P2 : The soil is acidid / infertile //
Tanah berasid / tidak subur

Overcome problem
P3 : Add calcium carbonate / calcium oxide // 3
Menambah kalsium karbonat / kalsium oksida.
(b) Metal block
P1 : Copper // Kuprum
Alloy block
P2 : Brass / Bronze // Loyang // Gangsa 2

Sektor Pembelajaran, Jabatan Pendidikan Negeri Sabah | 2020 176