Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Formic acid Sulphuric acid Carbonic acid Acetic acid Formic acid Sulphuric acid Carbonic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Geothermal energy Coal Natural Gas Petroleum Geothermal energy Coal Natural Gas Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 7.2 x 5x x/6 5x/36 7.2 x 5x x/6 5x/36 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 ? Neon Hydrogen Nitrogen Sodium Neon Hydrogen Nitrogen Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Coal fire Steam engine Burning garbage Burning coal Coal fire Steam engine Burning garbage Burning coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its critical temperature is low Its critical temperature is high Its ignition temperature is very low Its ignition temperature is very high Its critical temperature is low Its critical temperature is high Its ignition temperature is very low Its ignition temperature is very high ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS