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Diagram 10 shows the apparatus set-up to purify silver.
Rajah 10 menunjukkan susunan radas untuk menulenkan argentum.
After one hour, it is found that the silver is not purified.
What should be done to ensure purification takes place?
Selepas satu jam, didapati argentum tidak ditulenkan.
Apakah yang perlu dilakukan untuk memastikan penulenan berlaku?
Cryolite, \(\mathrm{Na}_3 \mathrm{AlF}_6\) is used in the extraction process of aluminium in industry.
What is the use of this substance?
Kriolit, \(\mathrm{Na}_3 \mathrm{AlF}_6\) digunakan dalam pruses pengekstrakan aluminium dalam industri.
Apakah kegunaan bahan ini?
Which apparatus set-up is correct to purify copper metal?
Susunan radas manakah yang betul untuk menulenkan logam kuprum?
Diagram 10 shows the apparatus set-up for electroplating of iron plate with silver.
Rajah 10 menunjukkan susunan radas bagi penyaduran plat ferum dengan argentum.
What are \(P, Q\) and \(X\) ?
Apakah \(\mathrm{P}, \mathrm{Q}\) dan \(\mathrm{X}\) ?