The rate reaction is measured either by an increase in the amount of products or by the decrease in the amount of reactants per unit interval of time.

True

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False

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Solution

The correct option is A True
The speed of a chemical reaction may be defined as the change in concentration of a substance divided by the time interval during which this change is observed: definition of rate of reaction. Hence either increase in the concentration of the product because as the chemical reaction takes place reactants participate and there concentration is decreased by forming new products that is there concentration is increased.

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Similar questions

Which of the following statements is correct about the reaction given below ?

$4 F e (s) + 30_{2} (g) \to 2 F e_{2} 0_{3} (g)$

(a) Total mass of iron and oxygen in reactants = total mass of iron and oxygen in product therefore it follows law of conservation of mass

(b) Total mass of reactants = total mass of product, therefore, law of multiple proportions is followed

(d) Amount of $F e_{2} O_{3}$ produced will decrease if the amount of any one of the reactants (iron or oxygen) is taken in excess

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