$A$ zero-order reaction,$A \rightarrow \text{Product}$,with an initial concentration $[A]_0$ has a half-life of $0.2 \ s$. If one starts with the concentration $2[A]_0$,then the half-life is $.... \ s$

  • A
    $0.1$
  • B
    $0.4$
  • C
    $0.2$
  • D
    $0.8$

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