Page 65 - MODUL KIMIA A+XPLOSIVE SPM (LATEST)

YELLOW ZONE [YZ]

24 When a white metal carbonate, XCO3 is heated strongly, the residue is brown when hot
and turns yellow when cold.
Which of the following metals could be X?
Apabila logam karbonat, XCO3 yang berwarna putih dipanaskan dengan kuat, baki
yang terhasil berwarna perang semasa panas dan bertukar kuning apabila sejuk.
Antara berikut, yang manakah logam X?
A Zinc C Lead
Zink Plumbum
B Copper D Aluminium
Kuprum Aluminium

25 You are asked by your teacher to verify the cation and anion in a sample of
ammonium chloride salt solution. What substance can you use to verify the cation and
anion?
Anda diminta oleh guru anda untuk mengesahkan kation dan anion dalam satu sampel
larutan garam ammonium klorida. Apakah bahan yang anda boleh gunakan untuk
mengesahkan kation dan anion?

Cation Anion
Kation Anion
A Nessler reagent Dilute nitric acid and silver nitrate
Reagen Nessler Asid nitric cair dan argentum nitrat
B Nessler reagent Dilute hydrochloric acid and barium
Reagen Nessler chloride
Asid hidroklorik cair dan barium
klorida
C Potassium thiocyanate Dilute nitric acid and silver nitrate
Kalium tiosianat Asid nitric cair dan argentum nitrat
D Potassium thiocyanate Dilute hydrochloric acid and barium
Kalium tiosianat chloride
Asid hidroklorik cair dan barium
klorida

26 Which gas is the main agent of pollution which cause acidic rain?
Gas manakah yang merupakan agen utama bagi pencemaran yang menyebabkan
hujan asid?
A Ozone C Sulphur dioxide
Ozon Sulfur dioksida

B Methane D Carbon monoxide
Metana Karbon monoksida

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