LEAP 2025 Science Grade 8 Chapter 9

LEAP 2025 Science Grade 8 Chapter 9 Sample

1 pt

Salicylic acid, used in aspirin, is a

1 pt

The image represents the molecule caffeine found in some coffees and teas. Name the elements which make up this molecule.

1 pt

The image represents polyvinyl chloride. Polyvinyl chloride (PVC) is made by combining carbon, hydrogen and chloride monomers into chains forming carbon-to-carbon bonds. This process is called __.

1 pt

Explain why "smart polymers" would be of benefit to us? Give an example.

1 pt

Natural rubber and synthetic rubber have something in common even if one is from a natural source and the other is made in a laboratory. They are both

1 pt

Based on the picture of a plastic polymer, which statement best describes the atomic structure of the polymer?