Foundation 6: Chemistry & Chemical Safety
Matter, pH Scale, Chemical Reactions & Safety | 37 Questions | Board Exam Prep
Vocabulary Matching
Match each numbered term with the correct lettered definition. Write the letter in the blank.
Fill in the Blank
Complete each statement with the correct term or phrase.
A substance with a pH below 7 is considered , while a substance with a pH above 7 is considered alkaline.
Matter exists in three states: solid, liquid, and .
In a solution, the substance present in the largest amount is called the .
A change alters the form of a substance without creating a new chemical substance (e.g., ice melting).
Nail primers and monomer liquids are examples of products that undergo reactions to harden and cure.
Water is known as the solvent because it can dissolve more substances than any other liquid.
In a redox reaction, the substance that loses electrons undergoes .
Oil-in-water and water-in-oil are the two types of commonly used in salon products.
Multiple Choice
Select the best answer for each board-exam style question.
A pH of 7 indicates a substance that is:
Which of the following is an example of a chemical change?
Safety Data Sheets (SDS) are required to be kept in the salon for:
Each step on the pH scale represents a change in concentration of:
Nail enhancements that use monomer and polymer are based on which type of chemical reaction?
When a nail technician accidentally mixes an acid and a base together, the result is a process called:
Which product is an example of a suspension?
Proper ventilation in the nail salon is important because it helps:
True / False
Write T for True or F for False next to each statement.
An atom is the smallest particle of an element that retains the properties of that element.
Alkalis have a pH below 7 and feel slippery to the touch.
Oxidation and reduction always occur simultaneously in a redox reaction.
A solution is a stable, uniform mixture where the solute particles are large enough to be seen.
Salon professionals are not required to read Safety Data Sheets unless an emergency occurs.
An endothermic reaction absorbs heat from its surroundings.
A compound is a chemical combination of two or more atoms of the same element.
The natural pH of skin and nails is slightly acidic, around 4.5 to 5.5.
Short Answer
Answer each question in 2-4 complete sentences.
Explain the difference between a solution, a suspension, and an emulsion. Give one salon product example for each.
Why is it important for nail technicians to understand the pH scale? How does pH affect the products used in nail services?
Describe the purpose of a Safety Data Sheet (SDS) and list at least three types of information it provides about a chemical product.