Chemistry The scientist who experimentally proved the existance of positron is Bethe Anderson Bohr Fermi Bethe Anderson Bohr Fermi ANSWER DOWNLOAD EXAMIANS APP
Chemistry Element 106 was discovered by Lawrence Seaborg Kurchatove Rutherford Lawrence Seaborg Kurchatove Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a In a chemical reaction its oxidation number increases An electron donor An electron acceptor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron donor An electron acceptor It releases H2 in a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Cosmic rays. Ultraviolet rays Infra-red rays All radiations of Light Cosmic rays. Ultraviolet rays Infra-red rays All radiations of Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O 2 layer O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? CO PAN NO SO2 CO PAN NO SO2 ANSWER DOWNLOAD EXAMIANS APP
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