Chemistry The antiparticle of an electron is Positron Alpha particles Beta particles Proton Positron Alpha particles Beta particles Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 4 3 2 1 4 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Must be different Need not be same Need not be different Must be same Must be different Need not be same Need not be different Must be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid in excess Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes All of these Reduction in plant's productivity owing to acid rain Respiratory and lung disease Corrosion building materials All of these Reduction in plant's productivity owing to acid rain Respiratory and lung disease Corrosion building materials ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyethylene Polyamide Polypropylene Polyester Polyethylene Polyamide Polypropylene Polyester ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS