1
Q
name the lead ores
A
lead ochre
galena
anglesite
2
Q
the formula of lead ochre
A
PbO
3
Q
formula of galena
A
PbS
4
Q
the formula of anglesite
A
PbSO4
5
Q
name the magnesium ores
A
magnesite
dolomite
Epsom salt
carnallite
6
Q
magnesite formula
A
MgCO3
7
Q
dolomite formula
A
CaCO3.MgCO3
8
Q
Epsom salt formula
A
MgSO4.7H2O
9
Q
carnallite formula
A
KgCl.MgCl2.6H2O
10
Q
name the calcium ores
A
gypsum
fluorspar
11
Q
formula for gypsum
A
CaSO4.2H2O
12
Q
formula for fluospar
A
CaF2
13
Q
name the mercury ores
A
cinnabar
14
Q
formula for cinnabar
A
HgS
15
Q
name the sodium ores
A
rock salt
chile saltpeter
16
Q
formula for rock salt
A
NaCl
17
Q
formula for chile saltpeter
A
NaNO3
18
Q
ores of silver
A
horn silver
19
Q
formula for horn silver
A
AgCl
