Factors which effect reaction rates. 1) Concentration 2) Temperature 3) Presence of a Catalyst 4) Surface area 5) Orientation

You store food in a fridge to prevent spoilage. Which factor are you applying to slow the rate of reaction?

Which one of the following burns easily and why?

A. a bar of steel B. steel wool C. steel sheet D. steel pipe

1 answer

It would help if you posted some answers for comment rather than posting a long list of questions.

This is a site for homework help, not homework answers.