3.x Collision Theory (GCSE Chemistry)

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

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Question 1

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Collision theory states that when concentration increases:

Collision theory explains which requirement regarding reactant orientation?

According to collision theory, ineffective collisions are due to:

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

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

Why might a reaction rate decrease when pressure of gaseous reactants is lowered?

What change to particle collisions occurs when reactant particles are heated?

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

What must particles possess in order to successfully react upon collision?

Why does increasing temperature generally speed up a chemical reaction?

Activation energy is precisely defined as:

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