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

Thomas Jefferson asked the two wi monkeys for the advice
Four resistors (67 ohm, 83 ohm, 433 ohm, and 309 ohm in that order) are connected in series to a 7.92 V battery of negligible internal resistance. What is the v
manny spent $36 on 30 bottles of soda. how much would he spend on 12 bottles
A 104.5 mL intravenous (IV) solution contains 5.10 g of glucose (C6H12O6). What is the molarity of this solution? The molar mas of glucose is 180.16 g/mol.
Graph the following data on the graph, then use the graph to determine the half-life of this isotope. Time (years): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. Mass Remai
6.501 +5.25y + 1850 258)
Find the slope of the line passing through the points (-6,7) and (-8,5)
Read Part Two of Article A on sea otters. Sea otters are one of few tool-using mammals. They enjoy a diet of seafood, including sea urchins, mussels, clams, sea
Base your answer to the question on the information below given the reaction at equilibrium2NO2(g)+7H2(g)->-< 2NH3(g)+4H2O(g)+1127kJ which diagram below c
What is the hydronium ion concetration of a ph=9. 2 solution