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.
Silk often has a wonderful feel, (referred to as a hand), and an almost iridescent sheen that makes us think of luxury. The weight of silk is shown as mm  pronounced mommy  and varies within the different types of silk. The following list of various types of silk may help you understand some of the qualities of each: Chiffon Often the lightest weight and most diaphanous of the silks, Chiffon is also the most see-through.