Polyethylene or Polythene is one of the most common plastics used all around the world. It is very widely produced, with around 80 million tonnes every single year!
It is used for the following
- Plastic bags
- Plastic films
- Geomembranes (low permeable sheets that act like a barrier or a line separating two substances to control fluids)
- Dustbin crates
- Water pipes
- Plastic bottles
- Packaging
Answer:
Carbon-14 is an isotope of carbon and differs in the number of neutrons in their nucleus.
Explanation:
all isotopes have the same number of protons and electrons, but differ in the number of neutrons. They have identical chemical behaviour but with different atomic masses and physical properties
Answer:
A. Close the drying agent container whenever it is not in active use.
C. Wrap the lid of the drying agent container with tape for storage.
Explanation:
Drying agents also known as desiccants are used in pharmaceutical, food and other manufacturing to keep substances dry. These drying agents are anhydrous and hygroscopic. The right usage of these products requires that they are always stored in an air-tight container.
When they are to be removed from a container containing a solvent, they are to be separated by filtration or decanting.
The 4 second rule is used to estimate your total stopping distance under ideal conditions.
Answer: Nucleus
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