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
These are two ways I can measure the pH of a substance
What is litmus paper and universal indicator?
How can a person treat acid indigestion?
By taking an antacid
acids taste: __________.
tastes sour?
bases taste______
tastes bitter?
Only a few hydrogen or hydroxide ions are released in water.
weak acids/bases?
What colour is a pH 7 in universal indicator
green
what are the products of neutralization?
salt and water
Acids turn litmus paper this color... red or purple?
What is red?
what's another name for a base on the pH scale?
What is alkali?
Most of the food we eat is....
Acidic
What type of reaction is neutralization?
double replacement
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
What happens when some acids and bases mix?
Salt is formed
Name a common lab acid
Hydrochloric, sulphuric, nitric
What will neutralize a base?
An acid
_____ have a pH between 4-6.
weak acids?
Acid + Base --> _____________ + water
metal salt
Fill in the blanks below Hydrochloric Acid+ Sodium hydroxide --> _______ + ________
Sodium Chloride + water?