Multiple Choice (ChF6): Part 2

What is an atom or molecule that carries an electrical charge?

Ion

What does ionization create?

Two new ions with opposite electrical charges

What is also referred as a “base”?

Akali

All acids owe their chemical reactivity to

Hydrogen ions

All alkalis owe their chemical reactivity to

Hydroxide ions

For which of the following purposes would acids most likely be used?

To exfoliate the skin

___ also known as alkalis, are compounds of hydrogen, a metal, and oxygen.

Bases

What is the range of the pH scale?

0 to 14

Solution neutral to the skin has a pH of:

5

The pH scale measures the concentration of hydrogen ions in acidic and alkaline solutions.

Water - based

What does a pH below 7 indicate?

An acidic solution

A pH of eight is ___ times more alkaline than a pH of seven

10

Redox is a contraction for?

Oxidation-reduction

What accompanies the rapid oxidation of a substance during combustion?

Production of heat and light

What does an oxidizing agent do?

Releases oxygen

What does a reducing agent do?

Adds hydrogen to a chemical compound

Chemical reaction that combines a substance with oxygen to produce an oxide is

Oxidation

Acid neutralization occurs when acid mixed with an alkali in equal parts, balancing the total pH & forming water & ____

salt

What type of chemical reaction requires absorption of energy or heat from an external source to actually occur?

Endothermic

If you were to leave a freezer open all night, all of the ice would melt. This is the result of?

An endothermic reaction

The Safety Data Sheet (SDS) contains __ categories of information

16

SDS are designed for _______?

use in an emergency

In the uniform order of the SDS, which of the following comes immediately after the first category of "Identification"?

Hazard Identification

A _____ is capable of igniting and burning.

combustible

Which of the following BEST describes a carcinogen?

A substance that causes cancer