vicki17 vicki17
  • 12-01-2017
  • Chemistry
contestada

Describe an indicator

Respuesta :

wolffiegirl
wolffiegirl wolffiegirl
  • 12-01-2017
 A chemical indicator is a substance that indicates the presence or absence of certain conditions. A common one is phenolphthalein or "phph" in shorthand notation. It turns colorless in acidic solutions and pink in basic solutions. 
Answer Link

Otras preguntas

PLS HELP QUICK!!!COMPARE AND CONTRAST VELOCITY AND LOCATION!!!
What is the value of the expression 3–4?  A.–81  B.–12  C.–   D.
What is cultural diffusion?
Prove: cosx.cos2x+(sin2x)^ 2/2cosx=cosx
is aluminum foil a compound element or mixture?
A ball is projected horizontally with a velocity of 30m/s from the top of a high tower. Air resistance may be neglected. After what time will it's velocity be i
Two pages that are back-to back in this book have 203 as the sum of their page numbers.what are the page numbers?
how to write 5x - 7y = 14 in function form
evarado paid $1.12 for a dozen of eggs. write and solve a proportion to determine the cost of the 3 eggs evarado needs for a recipe
What is the cost of the following?6 cans of corn at 3 / $1.003 boxes of cereal at $0.99 each1 loaf of bread at $0.45 each6 lbs. Of  apples at 2 lbs. For $0.801