General Science Which metal pollute the air of a big city? Chromium Cadmium Lead Copper Chromium Cadmium Lead Copper ANSWER DOWNLOAD EXAMIANS APP
General Science The wavelength of X-rays is of the order of 1 angstrom 1 cm 1 m 10 micron 1 angstrom 1 cm 1 m 10 micron ANSWER DOWNLOAD EXAMIANS APP
General Science Which one of the following is the petroleum wax? Bees wax Carnauba wax Jonoba wax Paraffin wax Bees wax Carnauba wax Jonoba wax Paraffin wax ANSWER DOWNLOAD EXAMIANS APP
General Science In vulcanisation, natural rubber is heated with Sulphur Phosphorous Carbon Silicon Sulphur Phosphorous Carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
General Science The filament of an electric bulb is made of Iron Graphite Tungsten Nichrome Iron Graphite Tungsten Nichrome ANSWER DOWNLOAD EXAMIANS APP
General Science Which layer protects earth from harmful rays of the Sun? Ozone layer Troposphere Ionosphere Magnetosphere Ozone layer Troposphere Ionosphere Magnetosphere ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS