Identify the order of reaction if its rate constant is $k = 2 \times 10^{-2}\text{ s}^{-1}$:
यदि दर स्थिरांक $k = 2 \times 10^{-2}\text{ s}^{-1}$ है तो अभिक्रिया की कोटि की पहचान करें:
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