Watch the video at the link below and answer the following questions:. Read this page about Chemical Properties of Bases and answer the following questions:. Skip to main content. Acids and Bases. Search for:. List the properties of bases.
Is the coffee ready yet? Have you ever had acid indigestion? Figure 1. Phenolphthalein indicator in presence of base. Summary Properties of acids are described. The properties of bases are listed.
Learn more. Why do bases taste bitter? Asked 1 year, 3 months ago. Active 1 year, 3 months ago. Viewed times. Improve this question. Because I don't think that is generally so. Amine groups are weak bases. Tasting random chemicals is dangerous. Add a comment. You might, therefore, have noticed that the "Acid Only" bag tasted more sour than the other two bags. This activity brought to you in partnership with Science Buddies. Already a subscriber? Sign in. Thanks for reading Scientific American.
Create your free account or Sign in to continue. See Subscription Options. Go Paperless with Digital. Key concepts Chemistry Acids Bases Ions Reactions Introduction Did you know that the juices in your stomach are nearly as acidic as lemon juice?
Carefully measure and add three tablespoons of gelatin crystals to each bag. Does anything happen to the ingredients when you mix them together?
Is there any kind of reaction that you can observe? Once the ingredients are well mixed open the bag labeled "Acid Only. Hold the ingredients on your tongue for a moment before swallowing them.
Taste: Have you ever taken a bite out of a sour lemon? Lemon juice is an acid and acids can taste sour. It is an example of a base and bases can taste bitter. Water is not an acid or a base, it is neutral and has no particular taste. Please don't ever taste strong acids or strong bases or any other chemicals that are not food!
Feel: What happens if you're slicing lemons and some juice get into a cut on your finger? It stings.
0コメント