Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Neutrons Protons Neutrons and protons Electrons Neutrons Protons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Hematite Bauxite Chalco pyrites Fluorspar Hematite Bauxite Chalco pyrites Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Hydrogen Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Phosphorous Potassium Nitrogen Silicon Phosphorous Potassium Nitrogen Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 3 4 2 1 3 4 2 1 ANSWER DOWNLOAD EXAMIANS APP