Chemistry The purest form of water in nature is Sea water Rain water Lake water River water Sea water Rain water Lake water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is silicon oxide zeolites aluminium silicate aluminium borosilicate silicon oxide zeolites aluminium silicate aluminium borosilicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Suspended solid particles in air Pollutant gas, present in air Green house gas present in air Microbes, present in air Suspended solid particles in air Pollutant gas, present in air Green house gas present in air Microbes, present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning garbage Burning coal Steam engine Coal fire Burning garbage Burning coal Steam engine Coal fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 '6.023 × 10–20 ANSWER DOWNLOAD EXAMIANS APP
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