Chemistry The natural resource, known as black gold is Platinum Lead Tin Coal Platinum Lead Tin Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Terephthalic acid Salicylic acid Phthalic acid Benzoic Acid Terephthalic acid Salicylic acid Phthalic acid Benzoic Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in River water Distilled water Sea water Rain water River water Distilled water Sea water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Bethe Bohr Anderson Fermi Bethe Bohr Anderson Fermi ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Silver Brass Bronze Copper Silver Brass Bronze Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Bohr and Rutherford Faraday Volta Alfred Nobel Bohr and Rutherford Faraday Volta Alfred Nobel ANSWER DOWNLOAD EXAMIANS APP