GENERAL KNOWLEDGE

Detailed explanation-1: -Flammability is a chemical property, or one that can be observed when a substance changes into something else. For example, paper is flammable.

Detailed explanation-2: -Flammability is the ability of matter to burn. When matter burns, it combines with oxygen and changes to different substances. Wood is an example of flammable matter, as seen in Figure below. When wood burns, it changes to ashes, carbon dioxide, water vapor, and other gases.

Detailed explanation-3: -Physical properties include appearance, texture, colour, odour, melting point, boiling point, density, solubility and many others. Flammability is a chemical property of a substance.

Detailed explanation-4: -A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points.