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
Scorpion4ik [409]
3 years ago
15

Filtering air to remove dust and pollen is it chemical or physical change

Chemistry
1 answer:
Cerrena [4.2K]3 years ago
3 0

Answer:

Physical Change

Explanation:

Because the filter is removeing the dust by having the air go though a thin material.

Hope it helps!

You might be interested in
All light rays parallel to the optical axis of a concave mirror are:
Alinara [238K]

Answer:

A. Refracted

Explanation:

Incident rays parallel to the optical axis are reflected from the mirror.

3 0
2 years ago
What hypothesis can you write about liquids
tekilochka [14]

Answer:

they are not solid

Explanation:

7 0
3 years ago
Give me a time table of how to revise my exam syllabus within 1 month
musickatia [10]

Explanation:

during the daytime just complete your lessons of biology, during the midday timechemistry or study it in evening, at night physics and just try to complete those chapters that are difficult for you and the easier one you could do at last simple and take Sunday as a day for revision...

Give 2hrs, 1hr each chapter...

4 0
3 years ago
Which statement about oxidation and reduction in a voltaic cell is true? A. Both oxidation and reduction occur at the anode. B.
Anettt [7]

Answer:

C. Oxidation occurs at the anode and reduction occurs at the cathode.

Choice number third is the correct option for the given question

Explanation:

Copper and silver nitrate are the two components that form a voltaic cell. These are the two main ingredients which make the Redox reaction possible. The dog reaction that is taking place result in development of charge.

Since copper here is the anode in the reaction oxidation happens here by the solutionAgNO_3 is cathode this is where reduction takes place.

6 0
3 years ago
What volume of methanol should be used to make 1.25 L of a 21.0% by volume solution?<br> ___ mL
Pie

Answer:

  262.5 mL

Explanation:

21% of the 1.25 L volume is methanol, so the required amount of methanol is ...

  0.21 × 1250 mL = 262.5 mL

4 0
3 years ago
Other questions:
  • The bond between which two atoms is most polar?<br>1) C-O<br>2) F-F<br>3) H-0<br>4) N-H​
    15·1 answer
  • When the vapor pressure is less than the atmospheric pressure, what will occur? A. The liquid will not boil. B. the liquid will
    12·1 answer
  • What is deoxyribonucleic acid, the name for DNA?
    8·1 answer
  • During an experiment, 575 mL of neon gas at 101 kPa were compressed in a cylinder to a volume of 144 mL.
    10·1 answer
  • How many moles are in 8.0 gram sample of C3H4
    7·1 answer
  • when the sum 4.9965 + 2.11 + 3.887 is calculated, to how many decimal places should the answer be reported?
    10·1 answer
  • Please help ASAP! Please and thank you have a great and blessed day!,
    9·2 answers
  • Help me help me help me
    7·1 answer
  • Someone pls help me I will make you brain
    15·1 answer
  • Question 4 of 10
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!