Chemistry Nucleus of an atom consists of. Neutron Electron, Proton and Neutron Proton Proton and Neutron Neutron Electron, Proton and Neutron Proton Proton and Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Sodium nitrite Sodium nitrate Potassium nitrite Potassium nitrate Sodium nitrite Sodium nitrate Potassium nitrite Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is All of these CO CO2 O3 All of these CO CO2 O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polypropylene Polyamide Polyethylene Polyester Polypropylene Polyamide Polyethylene Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can have any value above zero Can never be positive Cannot be negative Will always be positive Can have any value above zero Can never be positive Cannot be negative Will always be positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Must be same Need not be different Must be different Need not be same Must be same Need not be different Must be different Need not be same ANSWER DOWNLOAD EXAMIANS APP