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MODEL PAPER 9 — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 91 Mark
Question
Rate of reaction does not remain constant throughout because
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Answer

(b) Concentration of reactants keep on changing.
Explanation: Rate of reaction is dependent on the concentration of reactants if the concentration of reactants change then the rate of reaction become non-uniform.

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