The chemical formula of copper pyrites is
ZnS
PbS
CuFeS2
BaSO4
The binary compounds of Oxygen with another element are called ______________
Oxides
Hydroxides
Superoxides
Peroxides
An Oxide which shows the characteristics of both acidic as well as basic oxides is known as
amphoteric oxide
neutral oxide
amphiprotic oxide
metallic oxide
The catalyst used in the reaction between hydrogen chloride and Oxygen is
Copper chloride
Vanadium Pentoxide
Sulphuric acid
Hydrochloric acid
Electrolysis of water leads to the release of __________at the anode.
Hydrogen
Hydrogen peroxide
Oxygen
Nitrogen
Find the odd one.
N2O3
NO2
N2O5
N2O
Out of the following an allotropic form of Oxygen is _____________
Ozone
Molecular Oxygen is ___________in nature.
diamagnetic
paramagnetic
ferromagnetic
ferrimagnetic
The combustion of hydrozins in ________________provides tremendous thrust in rockets.
Liquid Nitrogen
Liquid carbon dioxide
Water
liquid oxygen
When a slow stream of Oxygen is passed through a silent electrical discharge,conversion of oxygen to __________occurs.
Oxide
Peroxide
Superoxide