MCQ
Heating mixture of $Cu _2 O$ and $Cu _2 S$ will give ……….
- ✓$Cu + SO _2$
- B$Cu + SO _3$
- C$CuO + CuS$
- D$Cu _2 SO _3$
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In a first order reaction
$x \longrightarrow y$
; if $k$ is the rate constant and the initial concentration of the reactant $x$ is $0.1 M$, then, the half life is

