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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.

ASSAM ACADEMIC CENTRE-Chemistry in Everyday Life -Example
  1. What are the main constituents of 'dettol'?

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  2. What is tincture of iodine? What is its use?

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  3. What are food preservatives?

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  4. Why is use of aspartame limited to cold foods and drinks?

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  5. Why do we require artificial sweetening agents?

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  6. Name the technique used for the separation of leaf pigments.

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  7. What problem arises in using alitame as artificial sweetener?

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  8. Why are synthetic detergents preferred to soaps in washing machines?

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

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

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

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

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  13. Why do soaps not work in hard water?

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  14. Label the hydrophilic and hydrophobic parts in the following compounds...

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  15. Label the hydrophilic and hydrophobic parts in the following compounds...

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  16. Label the hydrophilic and hydrophobic parts in the following compounds...

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  17. Soap is a weak antispetic. What may be added to improve its antiseptic...

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  18. Define a tranquillizer. Give an example.

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  19. Describe and illustrate with an example a detergent.

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

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