Question

Powdered CaCO3 reacts more rapidly than flaky Ca CO3 because of _______________.
A)Large surface area
B)High pressure
C)High concentration
D)High pressure

Answer 1

A) Large surface area

Explanation:

• The rate of a reaction is directly proportional to the surface area of the reactants.  

• When the surface area will be more, the reactants will easily be able to react and produce the products.

• When the surface area will be more, it will be easier for the reactants to collide with one another.

• Hence, a powdered solid like CaCo3 will be able to produce a faster reaction that the same mass of the flaky reactant used.

Answer 2

Answer:

A) Large surface area

Explanation:

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