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
Yuliya22 [10]
3 years ago
13

During an experiment, a student observes the formation of a precipitate. Why does this indicate that a chemical reaction is like

ly occurring? 1)A solid forms, and there is a change of color. 2)A gas forms, and there is a change of color. 3)A solid forms, and light is emitted. 4)A gas forms, and light is emitted.
Chemistry
2 answers:
eduard3 years ago
6 0
The right answer for the question that is being asked and shown above is that: "<span>2)A gas forms, and there is a change of color. " </span>During an experiment, a student observes the formation of a precipitate. a chemical reaction is likely occurring because <span>A gas forms, and there is a change of color.</span>
GuDViN [60]3 years ago
3 0

Answer:

A.

Explanation:

You might be interested in
EMERGENCY WILL MARK BRAINLIEST JUST PLS HELP!!!
klasskru [66]
Ionic bond = chemical bond formed when electrons....

Electrical force = force between two charged ions ....ect

Ionic compound = compounds whose atoms form bonds ......

Crystal = smooth solid formed by repeating patterns.....

Polyatomic ion = ion made of two or more atoms of .....
6 0
3 years ago
9. Which of the following accurately describes the orbits of the planets in the solar system?
lana [24]

Answer:

the awnser is B

Explanation:

the awnser is B

7 0
2 years ago
4. What are three sources of environmental contaminants?
FinnZ [79.3K]

Explanation:

  • plastics
  • contaminate water
  • and un useful things

<em>for</em><em> </em><em>more</em><em> </em><em>inforamation</em><em> </em><em>you</em><em> </em><em>shall</em><em> </em><em>search</em>

5 0
2 years ago
What is the ratio of 32oz of fuel to oil for 25 to 1.
Rina8888 [55]

Answer:

<u>25 to 1 fuel mix 1 gallon</u>

Explanation:

Add two of the 2.5 ounce containers to 1 gallon of gas. For a 50:1 ratio add 1 container 2.5 ounces to 1 gallon of gas. 50=parts of fuel 1=parts of oil . For 25:1 and 2 of the 2.5 oz containers to 1 gallon of gas.

5 0
2 years ago
Recycling of aluminum cans is an example of A) increasing entropy is a nonspontaneous process B) decreasing entropy is a nonspon
Helen [10]

Answer:

B) decreasing entropy is a non-spontaneous process

Explanation:

3 0
3 years ago
Other questions:
  • Create a balanced chemical reaction that makes 3 moles of ammonia by adding moles of nitrogen and hydrogen
    13·1 answer
  • What comes after observations when scientific knowledge is gathered
    6·1 answer
  • Dissolution and precipitation of _______ are the main processes that form limestone caves.
    9·1 answer
  • What is used to find true north on a compass? a. equator c. magnetic declination b. prime meridian d. cardinal directions Please
    8·2 answers
  • What are the characteristics of smooth muscle?
    15·2 answers
  • Identify the type of atom that generally forms covalent bonds
    7·1 answer
  • Use combined gas law..
    9·1 answer
  • What is the link between the electronic structure of ions and the electronic structure of Noble gases
    12·1 answer
  • 12 points
    12·1 answer
  • Which one is the answer?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!