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Date Posted: 18:18:18 09/07/01 Fri
Author: Mr. Yeo Woei Ter
Subject: Re: Ten-year series Questions
In reply to: Alex 's message, "Ten-year series Questions" on 04:32:10 09/07/01 Fri

I suppose the BEST answer here is D. But this is NOT a GCE 'O' level question! Some of the questions set by the publisher of the T.Y.S. really, REALLY has lots of problems!!!

If you look at question 34 (a GCE 'O' level question):

Which technique is used to obtain potassium nitrate from its aquesou solution?
A. Chromatograophy
B. Crystallisation
C. Distillation
D. Electrolysis

The answer here is obviously B.

Advise: Do ONLY those GCE questions in your T.Y.S.

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