3.x Collision Theory (GCSE Chemistry)

The following is a GCSE Chemistry test covering '3.x Collision Theory'

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What does collision theory state about unsuccessful collisions?

Reaction rates increase if reactants are in powder form rather than lumps because powders have:

Decreasing particle size of a solid reactant increases its:

Why do reactions typically slow over time, according to collision theory?

Why does increasing temperature generally speed up a chemical reaction?

If reactant particles collide slowly with insufficient kinetic energy, collision theory dictates that:

According to collision theory, to double the rate of reaction you would typically:

Which of these is directly proportional to the rate of reaction according to collision theory?

Collision theory explains that increasing the surface area of a reactant enhances reaction rate by:

Activation energy is precisely defined as:

According to collision theory, ineffective collisions are due to:

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