Name the most common food preserative. Why is it added to food?

Give one example each for bactericidal and bacteriostatic antibiotics.

What do you mean by the spectrum of antibiotic?

Give one example of a cationic detergents. Write its structure also.

Give one advantage of detergents over soap.

Why aspartame has a limited use?

How does the hard water affect the cleaning action of detergents?

Name any two artifical sweeteners.

Draw the structure of paracetamol and write its IUPAC name.