Basics of Chemistry Review

Question 1

The branch of chemistry that deals with products that do not contain carbon is called ______.

Accepted Answer

inorganic chemistry

Question 2

_________ organic compounds are substances containing carbon that evaporate very quickly.

Accepted Answer

Volatile

Question 3

pH stands for

Accepted Answer

potential hydrogen

Question 4

A preparation made by dissolving a solid, liquid or gaseous substance in another substance is

Accepted Answer

a solution

Question 5

what is the pH of skin and hair

Accepted Answer

4.5 - 5.5

Question 6

In creating a solution, the liquid used to dissolve a substance is called the _____.

Accepted Answer

solvent

Question 7

What type of change occurs when ice melts?

Accepted Answer

physical

Question 8

A molecule is formed by joining two or more __________ chemically.

Accepted Answer

atoms

Question 9

Anything that occupies space and exists in either a solid liquid or gas is known as

Accepted Answer

matter

Question 10

How many naturally occurring elements are there?

Accepted Answer

90

Question 11

Organic chemistry is the study of all substances containing ________.

Accepted Answer

carbon

Question 12

_________ are used to neutralize acids.

Accepted Answer

Alkanolamines

Question 13

astringents may have a _______ alcohol content.

Accepted Answer

35%

Question 14

If a product has a pH of 8.9 it is __________.

Accepted Answer

alkaline

Question 15

if he dies, he _______ .

Accepted Answer

dies

Question 16

Pure water with a ph of 7 is considered ___________.

Accepted Answer

neutral

Question 17

water is also known as the universal _____.

Accepted Answer

solvent

Questions 17