Page 19 - MODUL KIMIA A+XPLOSIVE SPM (LATEST)

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

25 Which of the following pairs of solutions form a precipitate when mixed together?
Yang manakah antara pasangan larutan-larutan berikut membentuk mendakan apabila
dicampurkan?

A Dilute hydrochloric acid and silver nitrate solution
Asid hidroklorik cair dan larutan argentum nitrat
B Dilute nitric acid and potassium carbonate solution
Asid nitrik cair dan larutan kalium karbonat
C Dilute nitric acid and calcium carbonate solution
Asid nitrik cair dan larutan kalsium karbonat
D Dilute hydrochloric and magnesium carbonate solution
Asid hidroklorik cair dan larutan magnesium karbonat

26 Diagram 6 shows the structure of a soap ion.
Rajah 6 menunjukkan struktur bagi ion sabun

Diagram 6 / Rajah 6

Which of the following statement about the soap ion is true?
Antara berikut,yang manakah benar tentang ion sabun?

A Part X and part Y are soluble in water
Bahagian X dan bahagian Y terlarut di dalam air
B Part X and part Y are soluble in grease
Hanya bahagian X dan bahagian Y terlarut di dalam gris
C Only part X is soluble in grease
Hanya bahagian X terlarut di dalam gris
D Only part Y is soluble in grease
Hanya bahagian Y terlarut di dalam gris

27 The following equation shows process Y
Persamaan berikut menunjukkan proses Y

Oil + sodium hydroxide → grycerol + X
Minyak + natrium hidroksida → gliserol + X

Process Y/ Proses Y

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