Reduction & Neutralisation Flashcards
1
Q
What is the difference between a base and an alkali?
A
Both neutralise acids, but only an alkali is soluble in water
2
Q
Acid + alkali/ base =
A
Salt + water (the substances have been neutralised)
3
Q
Magnesium oxide and ammonium hydroxide are examples of…
A
Bases
4
Q
Acid + metal =
A
Salt + hydrogen
5
Q
Define:
a) Neutralisation
b) Reduction
c) Displacement
A
a) To bring a substance from a high pH to pH 7 - neutral
b) To remove oxygen from a compound
c) A reaction where a more reactive metal removes a less reactive metal from its compound
6
Q
Give the reactivity series from most - least reactive.
A
Potassium, sodium, lithium, calcium, magnesium, aluminium, zinc, iron, tin, lead, copper, silver, gold, platinum
