Q. The rate of a chemical reaction is defined as:

रासायनिक प्रतिक्रिया की दर को इस प्रकार परिभाषित किया गया है:

The increase in concentration of products per unit time
प्रति इकाई समय में उत्पादों की सांद्रता में वृद्धि

The decrease in concentration of reactants per unit time
प्रति इकाई समय में अभिकारकों की सांद्रता में कमी

Change in concentration of any species per unit time
प्रति इकाई समय में किसी भी प्रजाति की सांद्रता में परिवर्तन

The time taken for the reaction to complete
प्रतिक्रिया पूरी होने में लगा समय

The rate of a reaction measures how fast reactants are consumed or products are formed. It can be defined as:

\text{Rate} = \frac{\Delta[\text{Reactant or Product}]}{\Delta t}

This can refer to either increase in product concentration or decrease in reactant concentration, per unit time.

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