Chemistry When cathode rays strike a target of high atomic weight, they give rise to Positive rays ?-rays X-rays ? and ? rays Positive rays ?-rays X-rays ? and ? rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Increases Remains same Decreases Cannot be predicted Increases Remains same Decreases Cannot be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n n3 n2 n-2 n n3 n2 n-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Arsenic Lead Aluminium Mercury Arsenic Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Lignite Peat Bitumen Anthracite Lignite Peat Bitumen Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following chemicals helps in fruit ripening? Isoproturan Atrazine Malathion Ethephon Isoproturan Atrazine Malathion Ethephon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS