1.

The concentration of a reactant decreases from 0.2 M to 0.1 M in 10 minutes. The rate of the reaction is

A.                 0.01 M    
B.                 \[{{10}^{-2}}\]
C.                 0.01 mol \[d{{m}^{-3}}\,{{\min }^{-1}}\]              
D.                 1 mol \[d{{m}^{-3}}\,{{\min }^{-1}}\]
Answer» D.                 1 mol \[d{{m}^{-3}}\,{{\min }^{-1}}\]


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