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What are preservatives and antioxidants ...

What are preservatives and antioxidants used in food materials?

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ICSE-CHEMISTRY IN EVERYDAY LIFE-EXERCISE (PART - II (DESCRIPTIVE QUESTIONS) (SHORT ANSWER QUESTIONS))
  1. List two major classes of antibiotics with an example of each class.

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  2. What are antacids ? List some of the compounds, which are used as anta...

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  3. What are preservatives and antioxidants used in food materials?

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  4. How are synthetic detergents better than soaps ?

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  5. What are biodegradable and non-biodegradable detergents? Give one exam...

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  6. Answer the following questions : (i) Why do soaps not work in hard ...

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  7. Can you use soaps and synthetic detergents to check the hardness of wa...

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  8. How do synthetic detergents differ from soaps ? Name any two synthetic...

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  9. What are the advantages of synthetic detergents over soaps?

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  10. What are the other chemicals added to washing powders in addition to t...

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  11. How are the synthetic detergents prepared? What are the disadvantages ...

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  12. Give three examples of sulfa drugs and write their main uses.

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  13. Give one important use of each of the following: Bithional.

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  14. Give one important use of each of the following: Chloramphenicol.

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  15. Give one important use of each of the following: Streptomycin.

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  16. Give one important use of each of the following: Paracetamol.

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  17. Describe the following giving an example: Antifertility drugs.

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  18. Describe the following with examples: Antipyretics.

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  19. Describe the following with examples: Biodegradable detergents.

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  20. Describe the following with examples: Antimicrobials.

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