melmason0 melmason0
  • 21-06-2018
  • Physics
contestada

a change of color is a sign that a chemical reaction is taking place. true or false

Respuesta :

szaki
szaki szaki
  • 03-07-2018
That is true. Change in color, formation of a precipitate, and production of gas are the three chemical changes.
Answer Link

Otras preguntas

Select each option that represents a proportional between x and y. (50 points) If get all correct (Brainliest)
Do you think that the lessons learned from Duck and Cover could still be used today why or why not
Help! Approximately what portion of the circle is shaded blue ? A.3/4 B.1/2 C.5/9
Jill and Alberto are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper and rolls of holiday wrapping paper. Jill s
what is pollenwhat is the purpose​
Need help assapppppppp
Describe Las actividades qué hicieron Las personas y cuando Los hicieron Bucear, cenar , desayunar, es calor montanos, esquiar, jugar a la pelota, merendar, mo
Evaluate the expression 263 + 5 when b = 3. 263 +5 = 2(3): +5 =
Find sin 0 16 20 A. В. C. D. 13
Area = ???????????????