Question

Which of the following are chemical changes? Check all that apply.
A. Water is frozen
B. Water is boiled
c. gasoline is evaporated
D. gasoline is burned
e. water is heated up

Answer 1

are you and ice_T taking some test?

Answer 2

no I am actually doing a online hw assignment and have 50 questions but I have 10 that I didn't do yet because I had been struggling on them, homework is 5% of overall grade

Answer 3

in order for something to be chemical change there must come to some sort of rearangement of atoms so if something melts or freezes or evaporates it does not change chemicaly ie atoms are still bonded but they motion is different, so knowing that what do you think answer is?

Answer 4

D

Answer 5

makes sense ... Book has it all complicated.

Answer 6

yes you got it right! congratulations for using your brain! keep that up and you might become a chemist! :D

Answer 7

lol

Answer 8

would you consider "changes from silvery gray to black when placed in moist air" to be a physical property
moits

Answer 9

and l and light enough to float on water? physical
ch

Answer 10

if something is silver that is its colour but if it starts changing colour there must be some chemical changes involved... ie rusting... its formation of iron oxide from iron in mois air

Answer 11

"and l and light enough to float on water? physical
ch"
huh?!