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WHY ANSWER IS A ,NOT D
- RORA
- Post #874
- Jun 12, 2012
- Forum: O-Levels / GCSEs / IGCSE
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Which potassium salt produces a yellow precipitate when it is dissolved in water and acidified aqueous lead(II) nitrate is added? A potassium chloride B potassium iodide C potassium nitrate 0 potassium sulphate why the answer is C , IS IT WRONG ?
- RORA
- Post #873
- Jun 12, 2012
- Forum: O-Levels / GCSEs / IGCSE
R
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15 Which process can convert molecules to a new substance by removing hydrogen atoms? A displacement B fermentation C neutralisation o oxidation why it is A
- RORA
- Post #57
- Jun 4, 2012
- Forum: O-Levels / GCSEs / IGCSE

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