| Questions |
Answers |
| 1. Name two most familiar antioxidants used as food additives |
Butylated Hydroxyanisole (BHA) and Butylated Hydroxtolune (BHT) |
| 2. What are Antacids? Give example. |
Antacid is a medicine used to neutralise the stomach acid in order to cut down the burn we have during acidity. Stomach produces acid and to nuetrlise it we need a base. Example - Sodium Bicarbonate |
| 3. What is PHBV? How is it useful to man? |
PHBV, or Poly(3-hydroxybutyrate-co-3-hydroxyvalerate), is a type of polyhydroxyalkanoate (PHA). it is a biodegradable thermoplastic polyester created by certain bacteria as a form of energy storage. it is used as an alternative to synthetic polymers and is non-toxic in nature. Since. it is biocompatible its is safe for use in the huma bodies. PHBV has application in the medical implants and repairs, controlled release of drugs, orthopedic devices, speciality packaging, and mnufacturing bottles for consumer goods.
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| 4. What are the repeating monomeric units of Nylon-6 and Nylon -6,6? |
The repeating numeric of Nylon-6 polymer is NH (CH2 )5 CO, which is derived from caprolactam.
The repeting numeric unit of Nylon-6,5 is NH-(CH2)6 -NH-CO-(CH2)4 CO. This indicates that it is formed by the combination of two different monomers.
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| 5. State Roult's Law |
Roult's law is the relation of physical chemistry with the implications of thermodynamics. It states that the partial presuure of each component of an ideal mixture of liquids is equal to the vapour pressure of the pure component (liquid and solid) multiplied by its mole fraction in the mixture.
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