Matter & pH Esthi Exam

Alkalis tend to taste:

There are 118 known elements; those above which element are synthetic?

What is the most common Element found in the Universe?

What color does blue litmus paper turn when placed in an acid?

On the pH scale, numbers greater than 7 indicate a(n)

When a solution has an equal number of hydrogen and hydroxide ions, the solution is considered:

Solutions that are acidic or alkaline in value can be dissolved in and/or contain:

Matter with definite weight and volume but no definite shape is called:

Atoms have three main parts: protons, neutrons and:

All of the following statements regarding the pH scale are true EXCEPT:

Which elements is the most abundant in the earth's crust and the second most abundant element in the earth's atmosphere

What is a negatively charged ion called?

Why is pure water considered a neutral substance?

In what pH range is hair and skin?

Water molecules have two hydrogen atoms and one:

The scientific study of matter and the physical and chemical changes of matter is known as:

Matter with definite weight but indefinite volume and shape is called:

Which of the following is NOT an example of a physical change?

electrons have this type of charge

What are three major biochemical compound groups in the body?

How many elements occur naturally?

Why is skin a solid?

Skin comprises two solids, which are carbon and sulfur and three gases, which are hydrogen, nitrogen and:

Basic substances that cannot be broken down into simpler substances are called:

A solid is defined as:

Which of the following conditions is an example of chemical change?

A pH of 5 is how many more times acidic than a pH of 6

What ingredient is listed as the primary ingredient on many skin care products?

Chris was looking for a pH-balanced product to use. pH balanced refers to a product that ranges from a pH of:

The atomic number of a particular element indicates:

Substance that increases concentration of hydrogen ions when placed in water because it donates, or releases, H+ ions is

Two or more atoms joined together by a chemical bond is a(n):

The term used to identify anything that occupies space and has weight is called:

The primary materials the body uses to construct and renew itself is:

What is the chemical symbol for Carbon?

The simplest atomic structure is:

What kind of substance does pH indicate the acidity or alkalinity of?

All matter that is not alive, has never been alive and does not contain carbon, such as rocks, water and minerals:

All matter that is now living or was alive at one time, with carbon present, falls within the scientific division of:

In chemistry, pH stands for:

The average pH range of hair, skin and nails is 4.5 to 5.5.

Acids tend to taste: