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What are food preservatives ? Give an e...

What are food preservatives ? Give an example .

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Chemical substances which are used to protect food against bacteria, fungi are called food preservatives e.g., sodium benzoate, sodium metabisulphite.
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OSWAAL PUBLICATION-CHEMISTY IN EVERYDAY LIFE-SHORT ANSWER TYPE QUESTIONS
  1. Mention a drug which can act, both as an analgesic as well as an antip...

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  2. How is Xanthoproteic test for a protein performed ? What is the observ...

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  3. What is rancidity of oils and fats ? How it can be prevented ?

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  4. What is rancidity of oils and fats ? How it can be prevented ?

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  5. What are antibodies ? How do they function ?

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  6. Explain saponfication of olis/fats with equation.

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  7. Explain the following terms with suitable examples : (i) Cationic de...

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  8. Describe and illustrate with an example, a detergent.

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  9. Differentiate between disinfectants and antiseptics. Give one example ...

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  10. What are biodegradable and non-biodegradable detergents ? Give one exa...

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  11. (a) Define the term 'chemotherapy'. (b) While antacids and anti alle...

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  12. What are food preservatives ? Give an example .

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  13. (i) Give two examples of macromolecules that are chosen as drug targe...

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  14. (i) Name sweetening agent used in the prepration of sweets for a diabe...

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  15. (i) What are disinfectants ? Give an example. (ii) Give two examples...

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  16. (i) What class of drug is ranitidine ? (ii) If water contains dissol...

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  17. What are the following substances ? Give one example of each one of th...

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  18. Explain the following terms giving one example of each type: (i) Ant...

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  19. Explain the following terms with an example for each: (i) Antibiotic...

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  20. Explain the term, 'target molecules or drug targets' as used in medici...

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