Rate Factors in Food, Fire & Pollution

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Rate factors & endo/exo

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Mirasol Moh. Ali

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Rate Factors in Food, Fire & Pollution


Froggy Jumps Rate Factors in Food, Fire & PollutionVersión en línea Rate factors & endo/exo por Mirasol Moh. Ali 1 Which factor, by increasing kinetic energy, speeds up most reactions relevant to food preservation and pollution control? a Pressure b Temperature c pH level 2 How does increasing reactant concentration affect the rate of a reaction in pollution treatment? a Decreases the rate b Increases the rate c No effect 3 In fire control, why does increasing the surface area of a fuel accelerate combustion? a Less heat released b More contact with oxygen c Less oxygen demand 4 Which statement describes an endothermic reaction? a It releases heat to surroundings b It absorbs heat from surroundings c It stays at constant temperature 5 In food preservation like refrigeration, what happens to enzyme-catalyzed reactions when temperature is lowered? a They stop instantly b They speed up c They slow down 6 What role do catalysts play in reaction rate? a Decrease the rate b Are consumed quickly c Increase rate without being consumed 7 How does agitation (stirring) affect reaction rate in a viscous mixture? a Has no effect b Decreases rate c Increases rate by distributing heat and reactants 8 Which type of reaction releases heat to the surroundings? a Isothermal b Endothermic c Exothermic 9 In pollution control, how does increasing surface area of reacting materials affect the rate? a Increases the rate b Decreases the rate c Has no effect 10 How does reducing particle size influence the rate of a reaction like combustion or preservation? a Decreases surface area b Reduces energy required c Increases surface area and rate

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Rate Factors in Food, Fire & Pollution

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Rate Factors in Food, Fire & PollutionVersión en línea

por Mirasol Moh. Ali

Which factor, by increasing kinetic energy, speeds up most reactions relevant to food preservation and pollution control?

How does increasing reactant concentration affect the rate of a reaction in pollution treatment?

In fire control, why does increasing the surface area of a fuel accelerate combustion?

Which statement describes an endothermic reaction?

In food preservation like refrigeration, what happens to enzyme-catalyzed reactions when temperature is lowered?

What role do catalysts play in reaction rate?

How does agitation (stirring) affect reaction rate in a viscous mixture?

Which type of reaction releases heat to the surroundings?

In pollution control, how does increasing surface area of reacting materials affect the rate?

How does reducing particle size influence the rate of a reaction like combustion or preservation?