Important Questions
1. Name a substance that can be used as an antiseptic as well as a disinfectant.
2. What are biodegradable and non-biodegradable detergents? Give one example of each class.
3. Name two fat soluble vitamins, their sources and the diseases caused due to their deficiency in diet.
4. Answer the following questions:
1. Why do soaps not work in hard water?
2. What are the main constituents of dettol?
3. How do antiseptics differ from disinfectants?
5. (i) What class of drug is Ranitidine?
(ii) If water contains dissolved Ca2+ ions, out of soaps and synthetic detergents, which will you use for cleaning clothes?
(iii) Which of the following is an antiseptic? 0.2% phenol, 1% phenol
Sample Questions
1. (i) Give two examples of macromolecules that are chosen as drug targets.
(ii) What are antiseptics? Give an example.
(iii) Why is use of aspartame limited to cold foods and soft drinks?
2. (i) What are disinfectants? Give an example.
(ii) Give two examples of macro molecules that are chosen as drug targets.
(iii) What are anionic detergents? Give an example.
3. (i) Deficiency of which vitamin causes nightblindness?
(ii) Name the base that is found in nucleotide of RNA only.
(iii) Glucose on reaction with HI gives n-hexane. What does it suggest about the structure of glucose?
4. What are analgesic medicines? How are they classified and when are they commonly recommended for use?
5. (a) Why is bithional added to soap?
(b) What is tincture of iodine? Write its one use.
(c) Among the following, which one acts as a food preservative?
Aspartame, Aspirin, Sodium Benzoate, Paracetamol.
