Definitions

Question 1

Cracking

Answer 1

Large hydrocarbon molecules that can be broken down into smaller molecules using a catalyst

Question 2

Electrolysis

Answer 2

Electrolyisis is the breakdown of ionic compounds, molten or aqueous solution by the passage of electricity

Question 3

Electroplating

Answer 3

Electroplating is a technique in which a thin layer of a desired material is used to coat another object.

Question 4

Specific Heat capacity

Answer 4

Specific heat capacity is a measure of the energy required to raise 1g of a substance by 1 degree.

Question 5

Latent heat of Fusion

Answer 5

The latent heat of fusion of a substance is the heat energy needed to change 1 mole of the substance from a solid to liquid at its melting point

Question 6

Latent heat of Vaporization

Answer 6

Latent heat of vaporization of a substance is the heat energy needed to change 1 mole of a substance from a liquid to a gas at its boiling point.

Question 7

Alloy

Answer 7

2 or more different metals

Question 8

Polyatomic ions

Answer 8

A polyatomic ion is a chemical ion composed of 2 or more atoms covalently bonded.

Question 9

Homologous series

Answer 9

A group of organic molecules with similar chemical properties (same general formula)

Question 10

Functional groups

Answer 10

Functional groups are groups of atoms responsible for the characteristic reactions of a particular compound