Unit 1 / What is Chemistry?

Question 1

what is chemistry

Answer 1

transformation of matter

Question 2

physical property

Answer 2

property displayed without change in composition, such as colour, density, melting point

Question 3

physical change

Answer 3

change in properties without change in composition, such as melting evaporation

Question 4

chemical property

Answer 4

property displayed when there is a change in composition via chemical reaction such as burning or oxidizing

Question 5

chemical change

Answer 5

start with something, end up with something else