Chemistry
Which substance gives lemons its sour taste?
Acid
When a metal reacts with acid what gas forms as a product?
Hydrogen
What colour does blue litmus paper turn in an acid?
red
What colour does red litmus paper turn in a base?
blue
What does pH stand for?
-log hydrogen ion concentration
acidic
What ion do bases release in water?
OH- ions
If a solution has a pH of 11, is it acidic or basic?
What is the number of protons?
The atomic number tells us this.
the discoverer of neutrons
chadwick
the discoverer of electrons
thompson
the discoverer of protons
rutherford
What is the name of the acid in car batteries? (clue: __SO4)
sulfuric acid H2SO4
Complete the word equation: Acid + Base → ______ + ______
salt + water
the pH of water is 7. What is the term given to it? clue: Ne_____
Neutral
A reaction is called neutralisation? what reactants do we have? A___ and ___e
Name one strong acid from the PPT.
Hydrochloric Acid
Sulfuric acid
Nitric Acid
What does a base accept from an acid?
H+ ion
What gas and liquid are produced when an acid reacts with a carbonate?
carbon dioxide and water.
A solution has [H⁺] = 0.01 M. What is its pH?
w = pH