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What are food preservatives?...

What are food preservatives?

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Describe the following with one example in each case food preservatives.

Name a food preservative which is most commonly used by food producers.

Give one example each of the following: A non-narcotic analgesic, An artificial sweetner, A food preservative chemical.

Give one example each of the following: A food preservative chemical

What is the form of reserve food in green algea?

Name the most commonly used preservative.

R G PUBLICATION-CHEMISTRY IN EVERYDAY LIFE -EXERCISE
  1. Why Chemicals are added to food?

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  2. Write the Chemical name of Saccharin. What is its sweetness value?

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  3. What are food preservatives?

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  4. Write the constituents of shaving soap.

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  5. Give an example of a hair conditioner deter-gent.

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  6. Why should not mediciens be taken without consulting doctors?

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  7. How drugs are classified? Decribe in brief.

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  8. Describe the two different ways that a drug inhibit the attachment of ...

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  9. When you suffer from cold, there is nasal congestion. Which chemical i...

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  10. Write the function of aspirin.

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  11. Write the modern definition of antibiotics. Who discovered penicillin?...

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  12. Define broad spectrum, narrow spectur, anti-biotics. Classify the foll...

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  13. What are disinfectants? Give two examples.

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  14. Write the different components of soap. Why do soaps not work in hard ...

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  15. Mention one advantage of the use of synthetic detergent over soap.

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  16. What are biodegradable & non-biodegradable detergents? Give one exampl...

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  17. What are associated colloids? Briefly describe the cleansing action of...

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  18. Explain the following terms with suitable ex-ample: Cationic detergent...

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  19. Explain the following terms with suitable ex-ample: Non-ionic detergen...

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  20. Match the two columns:

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