zoegrace
zoegrace zoegrace
  • 22-09-2016
  • Physics
contestada

Which of these is an example of a chemical change?

a.leaving cheese out to get moldy
b.smelling sprayed perfume
c.feeling ice melt on your skin
d.crushing ice with a hammer

Respuesta :

deanna040720
deanna040720 deanna040720
  • 22-09-2016
A; A chemical change makes a substance that wasn't there before. Moldy cheese has a new substance, color change and an odor.
Answer Link

Otras preguntas

what does x-4over5=6over7   what doesx=
How many halves are there in 23
If x = - 2 and y = 3, what is the value of - x∧- y? the answer is 1/8. how?
Differentiate. y=ln (17-x)
how many different 10 letter words (real or imaginary) can be formed from the following letters?K,Y,T,G,W,C,Y,D,A,A
The newly formed Communist PartyA.signed a treaty with the Central PowersB. signed a treaty with the AlliesC. requested protection from JapanD. requested protec
Suppose you have $10,000 to invest. Which of the two rates would yield the larger amount in 4 years. 7% compounded quarterly or 6.94% compounded continuously?
Does the phrase "Dar de comer al perro" mean "to feed the dog" or "to give the dog something to eat"?
how do u say fat pig in german
What number should be added to the expression x2 + 14x to change it into a perfect square trinomial? (Points : 1) 7 14 28 49