As you view the graphics, the idea is to develop the concept of polarity in a visual manner. The more areas of red and blue that you see, the more polar is the compound and the functional group in the compound. Look at the amide, and acid. The more areas of gray and lighter shades of red and blue, the more non-polar properties are being depicted. Look at the amine, ether, and alkane.
Delicacy. Although silk is valued for its delicacy, that same delicacy is considered a disadvantage of the fabric. Silk fades easily in direct sunlight, so a new garment dried outside can look old and worn. The fabric has a tendency to develop a yellow color over time and is particularly prone to perspiration stains.ilk is generally used for clothing such as blouses, dresses and ties, but it can also be used to make sheets and curtains. It has a fine, elegant and delicate appearance, but as a fabric, it has several disadvantages.
This silk cocoon is made of one single thread of raw silk that ranges from 1,000 to more than 3,000 feet in length. The silk is produced in the salivary glands of the silkworm and it is used for protection during the silkwormâs pupal stage. Because silk is considered one of the worldâs most beautiful fabrics, it is estimated that approximately 75 million pounds of raw silk are produced each year. It takes more than 3,000 cocoons to make one pound of silk and more than 10 billion pounds of mulberry leaves to feed the silkworms that produce the silk.