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Lead
Ferrous sulphide
Lead sulphide
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Liquid hydrocarbons are converted to low molecular weight gaseous hydrocarbons by a process known as
Magnalium is an alloy of
Magnetite is
Main pollutant present in automobile exhaust is
Major gaseous pollutant of the thermal power station is
Man dies in the atmosphere of CO, because it
Many marine animals use _ dissolved in sea-water to make their shells.
Many microbes can effect the chemical process of
Mark the compound which possesses ionic, covalent & coordinatebonds.
Marsh gas mainly contains