3.1.2 group 2 Flashcards
1
Q
what do group 2 metals react with oxygen to produce
A
metal oxide
2
Q
what do group 2 metals react with water to produce
A
metal hydroxide and hydrogen
3
Q
what do group 2 metal react with acids to produce
A
metal salt and hydrogen
4
Q
what are 2 observations you would make when a group 2 metal reacts with an acid
A
-effervescence
-metal reacts until there is no solid metal left
5
Q
what is the trend in solubility and alkalinity down group 2
A
solubility and alkalinity increases down group 2
6
Q
use of calcium hydroxide
A
used by farmers and gardeners to neutralise acidic soils
7
Q
use of magnesium hydroxide
A
use in milk of magnesia to neutralise acid in the stomach
8
Q
use of calcium carbonate
A
used as an antacid to treat indigestion
