Chemistry When cathode rays strike a target of high atomic weight, they give rise to X-rays ?-rays ? and ? rays Positive rays X-rays ?-rays ? and ? rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : Methylated spirit 95% ethyl alcohol 100% ethyl alcohol Tincture iodine Methylated spirit 95% ethyl alcohol 100% ethyl alcohol Tincture iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Volta Faraday Alfred Nobel Bohr and Rutherford Volta Faraday Alfred Nobel Bohr and Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Angstrom Fermi Nanometre Micron Angstrom Fermi Nanometre Micron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Hydrogen Nitrogen Chlorine Helium Hydrogen Nitrogen Chlorine Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper and tin Copper and zinc Tin and lead Copper, tin and zinc Copper and tin Copper and zinc Tin and lead Copper, tin and zinc ANSWER DOWNLOAD EXAMIANS APP