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JAMB - Chemistry (1990 - No. 7)
Which of the following samples will react fastest with dilute trioxonitrate (V) acid?
5 g of lumps of CacO
3
at 25°C
5 g of powered CacO
3
at 25°
5 g of lumps of CaCO
3
at 50°C
5 g of powered CaCO
3
AT 50°C
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