Which oxides can be classified in to acidic oxides,basic oxides and amphoteric oxides?
Simple Oxides
Mixed Oxides
Complex Oxides
Metallic Oxides
Which occurs in nature as a decay product of thorium and uranium minerals?
Sulphur
Selenium
Tellurium
Polonium
Pure ozone is a ____________gas.
Colourless
Dark blue
Pale blue
Violet - black
The binary compounds of Oxygen with another element are called ______________
Oxides
Hydroxides
Superoxides
Peroxides
Hydrogen Peroxide is readily decomposed into
Water & Hydrogen
Water & Oxygen
Hydrogen & Oxygen
Water & Nascent oxygen
The combustion of hydrozins in ________________provides tremendous thrust in rockets.
Liquid Nitrogen
Liquid carbon dioxide
Water
liquid oxygen
The formation of Ozone from Oxygen is _______________process.
exothermic
endothermic
reversible
isothermal
Nitric oxide reacts with ozone to give __________and ___________ .
N2O,O2
NO2.O2
N2O5,O2
N2O4,O2
An oxide which are neither acidic nor basic is known as _______________oxide.
amphoteric
neutral
amphiprotic
metallic
The catalyst used in the reaction between hydrogen chloride and Oxygen is
Copper chloride
Vanadium Pentoxide
Sulphuric acid
Hydrochloric acid