Seudónimo Seudónimo
  • 13-11-2020
  • Chemistry
contestada

Which observation is the best indication that a chemical reaction has occurred?

A. Change in temperature

B. Presence of ashes

C. Change from liquid to gas

D. Absence of fizzing

Respuesta :

tgpage0412 tgpage0412
  • 14-11-2020

Answer:

B: Presence of ashes

Explanation:

Burning molecules turns them into other molecules

Answer Link
Aleahramirez Aleahramirez
  • 22-12-2020

Answer:B

Explanation:

Answer Link

Otras preguntas

which fraction is larger: 1/4 or 2/4
who invented watermelon
What are three most common types of land forms in Washington
if you flip the coins 1000 times, what fraction do you expect would come up as:2 heads?2 tails?1 head and 1 tail?PLEASE HELP!!!!!
which word comes from a latin word meaning lattice
Skateboard Revenue: A skateboard shop sells about 50 skateboards per week for the price advertised. For each $1 decrease in price, about 1 more skateboard per w
Skateboard Revenue: A skateboard shop sells about 50 skateboards per week for the price advertised. For each $1 decrease in price, about 1 more skateboard per w
if y=6x and x=1.5 find y
what is 39/50 in a percent
2.375 divided by 0.05