FREE AND STUDY GAMES ABOUT STACK 3174105 EXAM

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FREE AND STUDY GAMES ABOUT STACK #3174105 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -21 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: What is created when amino acids join together in chains

Answer:

Proteins

Question 2: A pH of 5 is how many more times acidic than a pH of 6?

Answer:

10

Question 3: Atoms that are the same form an

Answer:

Element

Question 4: Acids tends to taste

Answer:

Sour

Question 5: Water molecules have two hydrogen atoms and one

Answer:

Oxygen atom Question 6: What is the side bond that is of the greatest concern to the salon professional

Answer:

Disulfide bond Question 7: All of the statements regarding pH are true EXCEPT - 7 indicates neutral substance, values below 7 indicate more acidity, values below 7 indicate more alkalinity, pH is a unit of measurement that indicates whether a substance acidic, neutral, or alkaline

Answer:

Values below 7 indicate more alkalinity Question 8: Water freezing and becoming ice is an example of what type of change

Answer:

Physical Question 9: Which of the following elements is the most abundant in the earth's crust and the second most abundant element in the earth's atmosphere

Answer:

Oxygen

Question 10: What color does blue litmus paper turn when placed in an acid

Answer:

Red Question 11: When two hydrogen atoms combine with one oxygen atom, the result is a water molecule, which is a

Answer:

Compound

Question 12: Alkalis tend to taste

Answer:

Bitter

Question 13: Matter with definite weight, volume, and shape is known as

Answer:

A solid

Question 14: Which of the following conditions is an example of chemical change

Answer:

Oxygen and hydrogen combining to form water Question 15: A solution that has more positive hydrogen ions than negative ions is

Answer:

Acidic

Question 16: The chemical symbol for Carbon is

Answer:

C Question 17: Which bonds found in the hair can be easily broken by heat or water

Answer:

Hydrogen bonds

Question 18: Electrons have which type of electrical charge

Answer:

Negative

Question 19: In what pH range is skin and hair

Answer:

4.5-5.5

Question 20: Putting a sodium hydroxide relaxer under a hair dryer could . . .

Answer:

Break the critical peptide bonds and destroy the protein structure

Question 21: Matter with definite weight but indefinite volume and shape is called

Answer:

A gas