GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is an example of physical property of matter?
A
acidity
B
heat of combustion
C
odor
D
oxidation
Explanation: 

Detailed explanation-1: -Combustion is an example of a physical property.

Detailed explanation-2: -The change of one type of matter into another type (or the inability to change) is a chemical property. Examples of chemical properties include flammability, toxicity, acidity, reactivity (many types), and heat of combustion.

Detailed explanation-3: -Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity.

Detailed explanation-4: -Physical properties of matter include the ability to conduct heat, electricity, and other substances.

Detailed explanation-5: -Usually, heat of combustion is considered to be a synonym of calorific value, which can be defined as the total amount of energy liberated when a given mass of a substance undergoes complete combustion in the presence of (an adequate quantity of) oxygen under standard conditions for temperature and pressure.

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