Chemistry The number of waves in n x 10th Bohr's orbit are n-2 n n3 n2 n-2 n n3 n2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Aluminium Copper Tin Iron Aluminium Copper Tin Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 proton + 2 neutron 1 proton only 1 electron only 1 neutron only 1 proton + 2 neutron 1 proton only 1 electron only 1 neutron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is zeolites silicon oxide aluminium borosilicate aluminium silicate zeolites silicon oxide aluminium borosilicate aluminium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry 1 carat of diamond is equal to 200 g 100 mg 100 g 200 mg 200 g 100 mg 100 g 200 mg ANSWER DOWNLOAD EXAMIANS APP
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