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 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

During takeoff, the sound intensity level of a jet engine is 170dB at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?
How might an author with the opposite attitude rephrase the following sentence? This historic building is a local treasure, with a distinctive exterior and many
If I make a solution by adding 83grams of sodium hydroxide to 750mL I’d water what is the molarity of sodium hydroxide
Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2
PLEASE HELP EVALUATE THIS USING FACTORING!!!!!!!!!!!!! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65
what is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)
Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. If the regular price is $30 how much did sweet save
what are the values of the maori cultures?
What is 9 to the -2 power
Rewrite the following quadratic functions in intercept or factored form. Show your work. f(t) = 20t^2 + 14t - 12