Why hydrogen is still not considered as alternative to conventional fuel?
H2 is highly flammable
H2 is unstable
H2 is not found in nature as a source
Storing of H2 is not possible
The source as H2 is not found in nature
Metal nitrates are usually not found as nitrates in their ores because they are highly soluble in water.
(a) Metal nitrates are highly unstable
(b) Metal nitrates are highly soluble in water
Why air is consider as mixture but not a compound and why water is consider as compound but not a mixture.