Which of the following samples will react fastest with dilute trioxonitrate (V) acid?
5 g of lumps of CacO3 at 25°C
5 g of powered CacO3 at 25°
5 g of lumps of CaCO3 at 50°C
5 g of powered CaCO3 AT 50°C
Correct answer is D
No explanation has been provided for this answer.