Chemistry A powerful eye irritant present in smog is Nitric oxide Carbon dioxide Peroxyacetyl nitrate Sulphur dioxide Nitric oxide Carbon dioxide Peroxyacetyl nitrate Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Taj Mahal is greatly affected due to : Acid rain Deforestation Tourists Sound pollution Acid rain Deforestation Tourists Sound pollution 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 5x/36 x/6 5x 7.2 x 5x/36 x/6 5x 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hottest part of the gas flame is known as blue zone luminous zone non-luminous zone dark zone blue zone luminous zone non-luminous zone dark zone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond Difference in layers of atoms None of these Difference of crystalline structures Tetrahedral structure of diamond Difference in layers of atoms None of these Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ? and ? rays ?-rays X-rays Positive rays ? and ? rays ?-rays X-rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
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