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Stack #3174105
| Question | Answer |
|---|---|
| Acids tends to taste | Sour |
| A solution that has more positive hydrogen ions than negative ions is | Acidic |
| When two hydrogen atoms combine with one oxygen atom, the result is a water molecule, which is a | Compound |
| Electrons have which type of electrical charge | Negative |
| 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 | Values below 7 indicate more alkalinity |
| What is the side bond that is of the greatest concern to the salon professional | Disulfide bond |
| The chemical symbol for Carbon is | C |
| Water freezing and becoming ice is an example of what type of change | Physical |
| Atoms that are the same form an | Element |
| Water molecules have two hydrogen atoms and one | Oxygen atom |
| Which of the following conditions is an example of chemical change | Oxygen and hydrogen combining to form water |
| A pH of 5 is how many more times acidic than a pH of 6? | 10 |
| What is created when amino acids join together in chains | Proteins |
| 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 | Oxygen |
| Which bonds found in the hair can be easily broken by heat or water | Hydrogen bonds |
| Matter with definite weight but indefinite volume and shape is called | A gas |
| Matter with definite weight, volume, and shape is known as | A solid |
| What color does blue litmus paper turn when placed in an acid | Red |
| In what pH range is skin and hair | 4.5-5.5 |
| Alkalis tend to taste | Bitter |
| Putting a sodium hydroxide relaxer under a hair dryer could . . . | Break the critical peptide bonds and destroy the protein structure |