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

what is 23 to the third power

s=2rh+2r2 for h solve

Esearchers have found an association between daily hassles and ___________. a. colds and headaches b. hypertension and obesity c. heart disease and schizophreni

-9 x 1/3 equals ___________________________

Which of the following, do you think, would have the most severe effect on digestion: surgical removal of the stomach, gallbladder, or pancreas? why?

Match the vocabulary word with its meaning. 1. climatologist A, the study of genes and their effect on hereditary variations 2. intrusive B.to mix things

Answer the following questions:

What is the functional group for this organic chemical

Describe the effect the Embargo Act had on Americans trade?

Which sentence gives the impression that amusement parks want to provide their patrons with the ultimate thrilling experience? A. "On many of these attractions,