By giving four examples, define non-flammable substances.
Nonflammable substances are substances that do not catch fire on heating.
Examples: Metals like iron, gold, silver, and glass
Differentiate between Flammable and non-flammable substances.
Define magnetic and non-magnetic substances. Give one example of each.
By giving three examples, define non-luminous bodies.
Define kinetic energy, by giving at least four examples?