Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/8 1/6 1/4 1/3 1/8 1/6 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove suspended solids Remove water content Aerate the sewage Disinfect the sewage Remove suspended solids Remove water content Aerate the sewage Disinfect the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of Polyester Polymer Acrylic None of these Polyester Polymer Acrylic None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol2 let-1 Mol-1 let-1 Mol-1 let-2 Mol2 let-2 Mol2 let-1 Mol-1 let-1 Mol-1 let-2 Mol2 let-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 3 1 4 2 3 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Anthracite Peat Lignite Bituminous Anthracite Peat Lignite Bituminous ANSWER DOWNLOAD EXAMIANS APP