Question

What are the following substances? Give one example of each one of them.
(i) Tranquilizers
(ii) Food preservatives
(iii) Synthetic detergents

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Answer 1

I) Tranquilizers is a medicinal drug taken to reduce tension or anxiety, e.g. Xanax, Valium.

II) A preservative is a substance or a chemical that is added to products such as food, beverage and many other products to prevent decomposition by microbial growth or by undesirable chemical changes..

III) Synthetic detergent is any synthetic substance, other than soap, that is an effective cleanser and functions equally well as a surface-active agent in hard or soft water. It is a non-soap cleanser that exerts its effect by lowering the surface tension of an aqueous cleansing mixture, e.g. sodium p-dodecyl benzenesulphonate.

Answer 2

Answer:

Explanation:

Tranquilizers are the chemical compounds used for treatment of stress or mild or even mental disease

E.G. equanil,

Food preservatives are the compounds which prevent  spoilage of food due to microbial growth

E.G. vinegar

Synthetic detergents are cleansing  agents which have all the properties of soap but do not  contain actual soap.

E.G. sodium lauryl sulfphate

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