1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
V125BC [204]
4 years ago
12

Suppose that a substance in a beaker is heated over a burner in a science lab. Which observation would most likely indicate that

a chemical change has occurred in the substance?
A .If the substance is a liquid or solid, an increase in temperature would indicate a
chemical change.
B.If the substance is a liquid, a change of some of the liquid to gaseous form would
indicate a chemical change.
C. If the substance is a solid, a change of some of the solid to liquid form would
indicate a chemical change.
D.If the substance is a liquid or solid, production of an odor would indicate a
chemical change.
Biology
2 answers:
mel-nik [20]4 years ago
9 0

A .If the substance is a liquid or solid, an increase in temperature would indicate a
chemical change.
inn [45]4 years ago
5 0

Answer:

Explanation:

I think it’s D. Sorry if I’m wrong

You might be interested in
Landscape in which limestone is eroded to form deep valleys and caverns
irina [24]
The landscape in which limestone is eroded to form deep valleys and cavers are called Karst landscape or karst topography. This kind of development start occuring whenever the acidic water starts breaking down the bedrocks near the cracks. As the bedrock starts breaking down slowly, the cracks start to open up creating bigger holes. with passage of time the holes will become big enough to create an underground drainage system for the surface water to flow and form underneath. If the water is unable to flow out and becomes stagnant, then the Karst will start getting bigger. 
5 0
3 years ago
Read 2 more answers
What chemical equation sums up to the events of photosynthesis?
Klio2033 [76]
6CO2 + 6H2O --> C6H12O6 + 6O2

carbon dioxide + water --> glucose + oxygen

The arrow indicates sunlight (energy).

:)


5 0
3 years ago
Which of the following describes a DNA mutation?
Sergio039 [100]

Answer:

A

Explanation:

messes with the chromosomes

6 0
3 years ago
Read 2 more answers
An olympic runner prepares to run a 100 meter race. Which of the body systems listed will probably be LEAST involved in the 100
tekilochka [14]
The answer your looking for is c hope it helps 
and #rateme 
5 0
3 years ago
Read 2 more answers
Which best defferentiates between chemical digestion mechanical digestion
Nimfa-mama [501]

Mechanical digestion is the breaking down of food into smaller pieces physically. Mechanical digestion begins in the mouth as the food is chewed.

but in the case of chemical digestion, it breaks the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva.

for more refer to this:

Hope this helped

and ur welcm

5 0
3 years ago
Other questions:
  • Phenylketonuria, or PKU, is a recessive genetic disorder in which the amino acid phenylalanine cannot be properly metabolized. C
    5·1 answer
  • What does a new moon look like to us on earth ?
    10·2 answers
  • T and b cells change after contact with the pathogen is a(n) ____________ immune response
    10·1 answer
  • The fundamental mendelian process that involves the separation of contrasting genetic elements at the same locus is called _____
    13·1 answer
  • Unlike mitosis, meiosis results in the formation of
    14·2 answers
  • Endoplasmic reticulum
    11·1 answer
  • Which part of the cell membrane prevents organisms from dissolving in water​
    7·1 answer
  • According to the Focus on Neuroscience box on the adolescent brain, the amount of gray matter in the brain peaks at about age __
    12·1 answer
  • The Earth has a magnetic field. If you were to use a bar magnet to represent the magnet causing the magnetic field, which repres
    14·2 answers
  • I'm learning about photosynthesis and cellular respiration and wonder how cellular respiration works for plants.
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!