CHEMISTRY MIDDLE SCHOOL

Is it possible to make CD without plastic? why or why not?

Answers

Answer 1
Answer:

No, it is not possible to make CD by other material except plastic.

The full form of CD is compact disks. It is simple disk of plastic

Why CD made up of plastics ?

  • The CD is made up of plastic mainly with polycarbonate plastic (PC) .
  • The PC is stronger  and mechanically more stable. CD must be stronger enough to resist any mechanical damage like scratching.
  • The PC are quite temperature and and impact resistance and highly transparent.
  • It provides the disc depth necessary to maintain laser focus on the metal and data layer.
  • The surface of the CD is reflective because it is coated with thin layer of aluminium and sometimes gold .

learn about Aluminium

brainly.com/question/14958942

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Answer 2
Answer: No, its not possible because mostly substances are not durable also u can take an example of iron. if we make a cd of iron then rusting occurs
hope it helps u

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What does an acid+base make

Answers

It makes salt and water :)
In the process of neutralization acid + base gives you H2O and NACL (WATER AND SALT)

QUICK!!!20 POINTS + BRAINLIEST!!!How to test whether a vegetable or fruit can conduct electricity?

Answers

Using a *MULTIMETER* is the best way to test and compare each fruit and vegetable. Because each fruits or vegetables all have different conductivity levels!

(Mark this as the brainliest if this helps!)

I have lungs but no legs. My offspring are found in membranous-shelled eggs and use lungs to breathe.

Answers

its a snake. snakes have lungs and a foot but no legs. its offspring are in eggs

When you mix the primary colors of light, you produce what color?

Answers

When you mix all the colors you get white, or the regular light you see every day.
If you mix all of the primary colors, you get White light

If you went to the moon, how would your mass change relative to your mass on Earth?It would be the same on the moon as on Earth

It would increase because of less gravity

It would decrease because of less gravity

None of the above

Answers

Answer:

Explanation:

you are on the moon or on Earth. Mass is an intrinsic property of matter and is a measure of the amount of matter in an object. It does not depend on the location of the object or the gravitational field it is in. Therefore, your mass would be the same on the moon as it is on Earth.

It would be the same on the moon as on Earth

Blank occurs when heat is transferred into an object through motion or movement an example would be boiling water

Answers

Conduction occurs when heat is transferred into an object through motion or movement


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