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10 Questions
Question | Answer |
---|---|
What is the pH scale? | The logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter |
What are indicators? | Indicates the state or level of something |
What is litmus paper? | Paper stained with litmus, used to indicate the acidity or alkalinity of a substance. |
What is pH paper? | : A pH indicator is a halochromic chemical compound that is added in small amounts |
What are acids? | A chemical substance that neutralizes alkalis, dissolves some metals |
What are bases? | The lowest part or edge of something, esp. the part on which it rests or is supported. |
Compare and contrast acids and bases. | Acids form Hydrogen ions when dissloved in water, and bases reduce the concentration of hydgoren ions in a solution |
Give 3 examples of bases. | Bleach, Soap, Ammonia. |
What does the arrow stand for in a chemical reaction? | The = sign. |
What are products? | An article or substance that is manufactured or refined for sale. |