Chemical Changes Flashcards
1
Q
Oxidation
A
The loss of electrons from an atom OR when an atom
gains an oxygen ato
1
Q
Reduction
A
The opposite to oxidation, when an atom gains
electrons OR when an atom loses an oxygen ato
2
Q
Redox
A
A reaction where one atom is oxidised and another
atom is reduced
3
Q
Acid
A
A substance which forms H+ ions in aqueous solution
4
Q
Alkali
A
A substance which forms OH- ions when dissolved: these
are soluble bases
5
Q
Neutralisation
A
A reaction between an acid and an alkali making a salt and
wate
6
Q
Strong acid
A
An acid which totally dissociates in wate
7
Q
Base
A
A substance that can neutralise an acid to make a salt and
water
