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What are food preservatives ?...

What are food preservatives ?

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Chemical substances which are used to protect food against bacteria, yeasts and moulds are called preservatives. For example, sodium benzoate, sodium metabisulphite, etc.
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PRADEEP-CHEMISTRY IN EVERYDAY LIFE -NCERT EXERCISES
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  8. What are food preservatives ?

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

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  10. What are artificial sweetening agents ? Give two examples.

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  11. Name the sweetening agent used in the preparation of sweets for a diab...

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

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

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  16. Why do soaps not work in hard water ?

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  18. Explain the cleansing action of soaps.

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