Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Neutrons and protons Neutrons Protons Electrons Neutrons and protons Neutrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Lignite Anthracite Peat Bitumen Lignite Anthracite Peat Bitumen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Fermi Bohr Anderson Bethe Fermi Bohr Anderson Bethe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Urea Ammonium nitrate Calcium citrate Ammonium sulphate Urea Ammonium nitrate Calcium citrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Air Hydrogen Carbon monoxide Methane Air Hydrogen Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
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