Chemistry Which one of the following is most acidic CaO Al22O3 Na2O MgO CaO Al22O3 Na2O MgO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Hydrogen Sodium Neon Nitrogen Hydrogen Sodium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 4 2 1 3 4 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Caustic potash Caustic soda Soda ash Sodium hydroxide Caustic potash Caustic soda Soda ash Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Dissociation of water Hydration and dissociation of water Polymerisation Dehydration Dissociation of water Hydration and dissociation of water Polymerisation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Thorium Iron Rhodium Uranium Thorium Iron Rhodium Uranium ANSWER DOWNLOAD EXAMIANS APP