Milady standard Barbering chapter 7 Exam Questions With Accurate Answers

Organic chemistry is the study of substances that contain ? - ANSWER-Carbon The term organic applies toll living things and those things that where once alive - ANSWER-Organic Gasoline,synthetic fabrics ,plastics & pesticides are all considered organic because they are manufactured from natural gas and oil - ANSWER-Natural gas & oil Metals,minerals,water,air and ammonia inorganic Substance - ANSWER-Inorganic Matter - ANSWER-Is define as anything that occupies space There 118 different elements known to science today with 98 of these occurring naturally on Earth. - ANSWER-98 Atoms - ANSWER-Basic building blocks of all matter As the basic unit of matter, atoms cannot be divided into simpler substances by ordinary chemical means - ANSWER-Chemical Oxygen in air Is an example of an elemental molecule. - ANSWER-Oxygen in air Rusting iron and burning wood are examples of changes in chemical properties - ANSWER-Chemical properties An example of physical change is ice melting in water - ANSWER-Ice melting in water