Chemistry Formation of ozone hole is maximum over Europe Antarctica India Africa Europe Antarctica India Africa 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/36 x/6 5x 7.2 x 5x/36 x/6 5x ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Synthetic fibre Natural fibre Blend of cotton and silk Modified natural fibre Synthetic fibre Natural fibre Blend of cotton and silk Modified natural fibre ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Silicon carbide Silicon oxide Calcium carbide Calcium oxide Silicon carbide Silicon oxide Calcium carbide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gas released during Bhopal tragedy was : Sodium isothiocyanate Methyl isothiocyanate Potassium isothiocyanate Ethyl isothiocyanate Sodium isothiocyanate Methyl isothiocyanate Potassium isothiocyanate Ethyl isothiocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Methane Nitrogen Chlorofluorocarbons Carbon dioxide Methane Nitrogen Chlorofluorocarbons Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP