Acids increase the number of positively charged ______ ions when dissolved in water.
Hydrogen ions
Bases increase the number of negatively charged _______ ions when dissolved in water.
What is hydroxide ions or OH- ions?
Name a weak acid you learnt about in class
Vinegar or citric acid etc
Blood and pure water have a pH of this number
What is about 7?
acids taste: __________.
tastes sour?
bases taste______
tastes bitter?
Only a few hydrogen or hydroxide ions are released in water.
weak acids/bases?
HCl, HNO3, H3PO4, H2CO3 are all examples of this (acid or base)
What is an acid?
Acids turn litmus paper this color... red or blue?
What is red?
what's another name for a base on the pH scale?
What is alkali?
______________ reacts with the fatty acid on your fingers to feel slippery
What are bases?
Name a common use for a base in your home
toothpaste, shampoo, dishwashing detergent, drain cleaner etc
What is neither an acid or a base? give an example
7, pure water
Name a common acid
citric acid, vinegar, Hydrochloric, sulphuric, nitric
Bases will turn litmus paper this color (red or blue)
What is blue?
_____ have a pH between 4-6.
weak acids?
Aqueous means_____________
What is water?