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

C

D

33 Which of the chemicals below can prevent the coagulation of latex?
Antara sebatian di bawah, yang manakah boleh mencegah penggumpalan lateks?

I HCl III NaOH
II NH 3 IV HCOOH
A II only C II and III only
II sahaja II dan III sahaja
B I and IV only D III and IV only
I dan IV sahaja III dan IV sahaja

34 Diagram 8 shows the structural formula of an unsaturated hydrocarbon Q.
Rajah 8 menunjukkan formula struktur bagi suatu hidrokarbon tak tepu Q.
H

H C H
H H
H C C C H

H
Diagram 8 / Rajah 8

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