Catalysts

Question 1

what is a catalyst?

Answer 1

a substance that speeds up a reactions rate

Question 2

does the catalyst change in the use?

Answer 2

no, it stays the same after use

Question 3

how does a catalyst work?

Answer 3

provides surface that allows different route for chemical reaction

Question 4

reacting particles on surface = …

Answer 4

more collisions

Question 5

name 3 things catalysts are used in

Answer 5

• car converters
• washing powder
• brewing