Plastic is a type of
A). Polyester
B). Polymer
C). Acrylic
D). None of the above
Polymer
Plastics are typically organic polymers of high molecular mass and often contain other substances. They are usually synthetic, most commonly derived from petrochemicals, however, an array of variants are made from renewable materials such as polylactic acid from corn or cellulosics from cotton linters.
2. Question 16.12:Name a substance which can be used as an antiseptic as well as disinfectant.
3. Question 6.16:Differentiate between “minerals” and “ores”.
4. Which of the following in automobile exhaust can cause cancer?
5. The common name for the compound having formal NaOH is
6. The resources which can be used continuously year after year ate called
7. Which one of the following is not a greenhouse gas ?
8. The major harmful gas emitted by automobile vehicle which causes air pollution is
9. Which of the following is responsible for permanent hardness of water?