silviachen silviachen

02-02-2018
Chemistry

contestada

adding food color to water causes a color change. is this evidence of a chemical reaction? explain

Respuesta :

mydefan mydefan

02-02-2018

It's a physical change, because it's not changing the actually substances; by adding food coloring, you still have H20. So no it's not a chemical reaction.

Answer Link

Otras preguntas

ray wants the larger of two aquariums.One aquarium has 20 in. by 20 in. and has a height of 18 inches.The other aquarium has a base that is 40 in. by 12in. and

Hello. For my french class I have to write a letter to my french friend. In this letter I have to talk about spending my holiday at his house. (for example: wha

"Pilgrim progress" what does the town vanity symbolize?

find the value of x to the nearest whole number. Tan x(degree) = 1.732

Sentence using "preliminary"? Please use an easy one so I can actually draw it, too :PThanks in advance :)

Two numbers have a product of 48 and a sum of 19 what are the numbers and how do you know

Each week Suzanne and Sarah drink 2 gallons of milk.HGow many iounces of milk do they drink each Week ?

I have been stuck with this one, and i would like to how to solve this. In each case, determine whether line AB is parallel or perpendicular to CD. (a) A(0, 0),

Donald Johanson, Tom Gray, and others discovered a hominid that lived in East Africa__________ million years ago and nicknamed her Lucy, whose scientific name t

I need help with the blanks