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Learnig pH
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physical:________ properties can be observed without changing the composition of the substance.
chemical:___________ properties can only be observed by changing the composition of the substance, forming new substances.
phenolphthalein:________ is used to test for the presence of a base.
acidic Solutions: What are Hydrochloric acid, vinegar, and orange juice, all examples of?
bases: What are Baking soda(sodium bicarbonate), sodium hydroxide (drain cleaner), antacid, all examples of?
neutral: What is pure water an example of.
phenolphthalein: a colorless chemical that turns magenta in a base, and stays colorless in neutral or acidic solutions.
Blue: the color that litmus paper turns when placed in a acid
Red:the color litmus paper turns when placed in a base
litmus paper: A slip of paper that has a special dye on it that changes colors in the presence of an acid or base.
Learnig pH
Across:2. | ________ properties can be observed without changing the composition of the substance. | 4. | ___________ properties can only be observed by changing the composition of the substance, forming new substances. | 5. | What is pure water an example of. | 7. | the color litmus paper turns when placed in a base | 8. | the color that litmus paper turns when placed in a acid | 9. | a colorless chemical that turns magenta in a base, and stays colorless in neutral or acidic solutions. |
| | Down:1. | What are Baking soda(sodium bicarbonate), sodium hydroxide (drain cleaner), antacid, all examples of? | 2. | ________ is used to test for the presence of a base. | 3. | A slip of paper that has a special dye on it that changes colors in the presence of an acid or base. | 6. | What are Hydrochloric acid, vinegar, and orange juice, all examples of? |
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© 2015
PuzzleFast.com, Noncommercial Use Only
Learnig pH
Across:2. | ________ properties can be observed without changing the composition of the substance. | 4. | ___________ properties can only be observed by changing the composition of the substance, forming new substances. | 5. | What is pure water an example of. | 7. | the color litmus paper turns when placed in a base | 8. | the color that litmus paper turns when placed in a acid | 9. | a colorless chemical that turns magenta in a base, and stays colorless in neutral or acidic solutions. |
| | Down:1. | What are Baking soda(sodium bicarbonate), sodium hydroxide (drain cleaner), antacid, all examples of? | 2. | ________ is used to test for the presence of a base. | 3. | A slip of paper that has a special dye on it that changes colors in the presence of an acid or base. | 6. | What are Hydrochloric acid, vinegar, and orange juice, all examples of? |
| |
© 2015
PuzzleFast.com, Noncommercial Use Only