Chemistry Which metal is the heaviest in periodic table among the following ? Os W Pt Pb Os W Pt Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Positrons Electrons Protons Neutrons Positrons Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Alcohols Ethers Esters Aldehydes Alcohols Ethers Esters Aldehydes ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium dihydrogen phosphate Disodium hydrogen phosphate Phosphoric acid Sodium phosphate Sodium dihydrogen phosphate Disodium hydrogen phosphate Phosphoric acid Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P3 P1 P2 P4 P3 P1 P2 P4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Gritty substances Inorganic substances Oil and fatty substances Suspended solids Gritty substances Inorganic substances Oil and fatty substances Suspended solids ANSWER DOWNLOAD EXAMIANS APP