Chemistry The 'solid waste' is also known as Sedge Toxic waste Sludge Scrubber Sedge Toxic waste Sludge Scrubber ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitrogen trioxide Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen trioxide Nitric oxide Nitrogen pentoxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Oxidation of cellulose Lack of aeration Collection of dust Frequent use Oxidation of cellulose Lack of aeration Collection of dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 4.84 x 1017 1.568 x 103 6.023 x 1023 6.023 x 1019 4.84 x 1017 1.568 x 103 6.023 x 1023 6.023 x 1019 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of NaOH Tollen's reagent NaHCO3 SOCl2 NaOH Tollen's reagent NaHCO3 SOCl2 ANSWER DOWNLOAD EXAMIANS APP