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

Can someone help? I’m not exactly sure and I have one attempt
What is meant by maximum profit?plz give me answer very fast plz subject economics​
Is the square root of 7 greater or less then 14/5
When it is aware that the destination address is not present on the other side, then the blocks the data from crossing it.
-3x-y=4 Slope-intercept form?
CONCEPT CHECK: Complete Subjects and Predicates In separate columns on a sheet of paper, write the complete subject and complete predicate of these sentences.
2. What kind of policy has the Government of Nepal made for the commercialization of agriculture in Nepal?​
what comes next in the sequence? -2, 1, 4, __, __, __
what ia dark matter​
What caused Orwell to write shooting an elephant