pH
What is the pH of an acid?
Lower than 7
What do acids taste like?
Sour
What do bases feel like when touched?
Soapy / slippery
How many different types of reactions with acids are there?
3
What is the pH of a neutral solution?
7
Is the acid with a pH of 1 stronger or the acid with a pH of 4?
pH of 1
True or false: Another name for bases is "alosaline"
False
What is a product in an acid-metal reaction?
hydrogen gas or salt
What is the range for the pH scale?
1 - 14
What state do acids need to be in to work?
Dissolved in water
Bases can counteract acids when mixed together. What is this reaction called?
Neutralisation
What are the products in an acid-carbonate reaction?
Water, salt and carbon dioxide
How many times stronger is an acid with a pH of 3 than an acid with a pH of 4?
10 times
What ion do all acids lose when they are dissolved in water?
H+ or hydrogen ion
What chemical property do all bases have?
They can absorb H+ / they produce OH-
Acid + metal oxide / neutralisation
I mix together an acid that has a pH of 5 and a base that has a pH of 9. What would be the pH of the final solution?
7
At the same concentration, which one of the following is the strongest acid? Hydrochloric acid, folic acid, uric acid.
Hydrochloric
Caustic burn
A students conducted an experiment with an acid and an unknown chemical. A flammable gas was produced from this reaction. What type of reaction is this?