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
oee [108]
3 years ago
13

Which of the following represents a chemical change?

Chemistry
1 answer:
Nikitich [7]3 years ago
7 0

Answer:

Option B : burning of wood

Explanation:

Chemical change is a change where a new substance is created like when you will bur wood you get ash this is a new substance, so burning of wood is a chemical change.

 

You might be interested in
Stuck on question 22
Klio2033 [76]
The answer is c. because you have to increase concentration of h2
7 0
3 years ago
How are science and technology related? A. Science is a branch of technology. B. Science is the application of technological kno
Papessa [141]

The answer should be C. Technology is the application of the knowledge gained by science.

5 0
3 years ago
Read 2 more answers
Which of the following are produced when a base is dissolved in water?
Irina-Kira [14]

Answer is: B. Hydroxide ions.

An Arrhenius base is a substance that dissociates in water to form hydroxide ions (OH⁻).  

For example sodium hydroxide: NaOH(aq) → Na⁺(aq) + OH⁻(aq).

Another example, balanced chemical reaction: Ba(OH)₂(aq) → Ba²⁺(aq) + 2OH⁻(aq).

According to the Arrhenius definition barium hydroxide is base.

Acids and bases when react (neutralisation) produce salt and water.

3 0
3 years ago
Read 2 more answers
What is the value of x in the equation below?
Colt1911 [192]
If the question includes x only than it’s value would be 1
8 0
3 years ago
Read 2 more answers
Which of the following is not found in the nucleus of an atom?
DochEvi [55]
Electron -  In an atom, the central part which is composed of neutrons and protons including quarks is called the nucleus. Whereas the electron is the particle with negative elementary electric charge can be found inside the atom surrounding the nucleus. 
6 0
3 years ago
Other questions:
  • Which of the following solutions is more concentrated?<br> 0.50M KCl or 5.0% (w/v) KCl
    11·1 answer
  • What is the correct sequence of eras of the geologic time scale in order from oldest to youngest ?
    9·2 answers
  • What is the molecular geometry around a central atom that is sp3d hybridized and has three sigma bonds and two lone electron-pai
    11·1 answer
  • How many moles of H2 would be required to produce 5.0 moles of water
    6·1 answer
  • Covalent Compounds HAVE a positive (+) or negative (-) charge <br> True or false
    6·1 answer
  • A student pushes on a crate with a force of 100N directed to the right. What force does the crate exert on the student?
    8·1 answer
  • Questions
    8·1 answer
  • identify the law that explains the following observation nitrogen dioxide can be formed by reacting 14 G of nitrogen with 32 gra
    12·1 answer
  • A compound's properties are different than the properties of the elements that make it up.
    13·1 answer
  • Select the correct answer.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!