chapter 7 milady barber

Question 1

A physical mixture is a combination of ____ substances united physically in any proportions without a fixed composition

Accepted Answer

two or more

Question 2

In which state does matter have volume but no definite shape?

Accepted Answer

liquid

Question 3

___ is a colorless gas composed of hydrogen and nitrogen.

Accepted Answer

Ammonia

Question 4

The mixtures called ____ are not usually transparent

Accepted Answer

suspensions

Question 5

Which type of conditioners can be designed for use with thermal tools?

Accepted Answer

Leave-in conditioners

Question 6

Which type of shampoo isknown as a mild cream shampoo that contains humectants

Accepted Answer

Conditioning shampoo

Question 7

Soft water comes from ____ or chemically treated water

Accepted Answer

rainwater

Question 8

Substances that are ____ are easy to mix together

Accepted Answer

miscible

Question 9

What is formed when two or more atoms combine chemically in definite proportions?

Accepted Answer

Molecules.

Question 10

A substance from which ____ has been chemically removed is a reduced substance

Accepted Answer

oxygen

Question 11

Chemical changes in the hair can be created with ____ because the chemical reaction of oxidation takes place.

Accepted Answer

permanent haircolor

Question 12

The pH scale is a ____ scale.

Accepted Answer

logarithmic

Question 13

The ____ of a substance measures its acidity and alkalinity

Accepted Answer

ph

Question 14

Hard water may be softened by ____, water-softening units, or by adding sodium carbonate.

Accepted Answer

distillation

Question 15

As steam, ____ is in a gaslike state.

Accepted Answer

water

Question 16

Minerals are ____ substances

Accepted Answer

inorganic

Question 17

Chemical reactions that release ____ are called exothermic

Accepted Answer

heat

Question 18

____ chemistry is the study of substances that contain the element carbon.

Accepted Answer

Organic

Question 19

____ are made by mixing plant oils or animal fats with strong alkaline substances

Accepted Answer

Soaps

Question 20

When hydrogen peroxide is mixed with an oxidation haircolor product, the haircolor product gains ____.

Accepted Answer

oxygen

Question 21

An atom or molecule that ____ is called an ion.

Accepted Answer

carries an electrical charge

Question 22

Compound molecules are chemical combinations of ____ of different elements

Accepted Answer

two or more atoms

Question 23

____ are physical mixtures of two immiscible liquids held together by an emulsifying agent

Accepted Answer

Emulsions

Question 24

The pH of hair and skin is an average of ____.

Accepted Answer

5.0

Question 25

The ____ used in the manufacturing of cosmetics is/are processed by distilling

Accepted Answer

water

chapter 7 milady barber

Questions 25

chapter 7 milady barber

Questions 25