Page 25 - MODUL KIMIA A+XPLOSIVE SPM (LATEST)

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SPM Chemistry A xplosive Module (Chemistry A Ticket For “U”) RED ZONE [RZ]

If 14.5 g of propanol is dehydrated, calculate the volume of propene gas produced at
room temperature.
[Relative atomic mass / Jisim atom relatif : C=12 ; O=16 ; H=1]
Jika 14.5 g propanol telah didehidratkan, hitung isipadu gas propena yang terhasil pada
suhu bilik.
[Molar volume of gas at room temperature/ Isipadu molar gas dalam keadaan bilik =
-1
3
24 dm mol ]

3
3
A 18.00 dm C 8.57 dm
3
3
B 17.14 dm D 6.00 dm

37 An ester which has the formula C 3H 7COOCH 3 can be produced from the reaction of
Ester yang berformula C 3H 7COOCH 3 boleh dihasilkan daripada tindak balas

A C 2H 5OH and CH 3COOH C CH 3OH and C 3H 7COOH
C 2H 5OH dan CH 3COOH CH 3OH dan C 3H 7COOH

B C 2H 5OH and HCOOCH 3 D CH 3OH and HCOOC 2H 5
C 2H 5OH dan HCOOCH 3 CH 3OH dan HCOOC 2H 5

38 Diagram 10 shows a redox reaction.
Rajah 10 menunjukkan satu tindak balas redoks.

Iron (II) sulphate solution
Larutan ferum (II) sulfat

Diagram 10 / Rajah 10

Iron (II) sulphate solution changes from pale green to brownish solution. What is X?
Larutan ferum (II) sulfat bertukar daripada hijau pucat kepada perang. Apakah X?

A Bromine water C Zinc nitrate solution
Air bromine Larutan zink nitrat

B Sodium hydroxide solution D Sodium sulphite solution
Larutan natrium hidroksida Larutan natrium sulfit

Sektor Pembelajaran, Jabatan Pendidikan Negeri Sabah | 2020 24