Fruit jam used for commercial purpose contains preservative and allowed colours. What do you meant by food preservation? Give three examples.

What do you mean by thermosetting polymers ? Give one example.

What do you mean by mass-energy equivalence? Give example.

A system in thermodynamics refers to that part of the universe in which observation are made. What do you meant by an isolated system? Give an example.

A system in themodynamics refers to that part of the universe in which observations are made.(a) What do you mean by an isolated system? Give an example.

A system in thermodynamics refers to that part of the universe in which observation are made. a) What do you mean by an isolated system? Given an example. b) Distinguish between intensive and extensive properties. Give two examples for each.

The label on the packing of a dried fruit reads" contain BHT antioxidant" A. What you mean by antioxidant? b. What is BHT? c. Give another example for a substance to be used as an antioxidant.

A taxonomist described a new organism as triploblastic, radially symmetrical, coelomate and without metameric segmentation: a) What do you understand by each term of his description? b) Give an example of an organism of the same phylum.that he had described.

Conductivity of ionic solutions are measured by using conductivity cell In Wheatstone bridge arrangement: What do you meant by cell constant?