Which of the following factors will speed up the rate of evolution of carbon (iv) oxide in the reaction below? 2HCl + CaCO3 → CaCl2 + H2O + CO2
A. Increasing the concentration of the acid B. Increasing the surface area of CaCO3 C. A and B D. Reducing the concentration of the acid
Correct Answer: C
Explanation
The following factors increase a reaction rate - Increase in concentration of reactants - Increase in temperature - Addition of catalyst - Increase in the surface area of reactant(s)
