Chemistry Nylon is made up of : Polyester Polyamide Polyethylene Polypropylene Polyester Polyamide Polyethylene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Electrons in atoms Nucleus in atoms Neutrons in atoms Atoms in all matter Electrons in atoms Nucleus in atoms Neutrons in atoms Atoms in all matter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Coal-tar Camphor Charcoal Diesel Coal-tar Camphor Charcoal Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Newton Avogadro Dalton Pascal Newton Avogadro Dalton Pascal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in River water Sea water Rain water Distilled water River water Sea water Rain water Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium carbonate Sodium salt of benzoic acid Acetic acid Tartaric acid Sodium carbonate Sodium salt of benzoic acid Acetic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP