Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Acetic acid Formic acid Carbonic acid Sulphuric acid Acetic acid Formic acid Carbonic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic Na2O CaO Al22O3 MgO Na2O CaO Al22O3 MgO ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium dihydrogen phosphate Phosphoric acid Sodium phosphate Disodium hydrogen phosphate Sodium dihydrogen phosphate Phosphoric acid Sodium phosphate Disodium hydrogen phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond None of these Difference of crystalline structures Difference in layers of atoms Tetrahedral structure of diamond None of these Difference of crystalline structures Difference in layers of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Water Methane Ammonia Carbonic Acid Water Methane Ammonia Carbonic Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Magnesium Lead Bromine Barium Magnesium Lead Bromine Barium ANSWER DOWNLOAD EXAMIANS APP