Chemistry The most important ore of aluminium is bauxite magnetite monazite haematite bauxite magnetite monazite haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Radio-waves Infrared Ultraviolet Visible Radio-waves Infrared Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? None of these Formation of lather with soap Distillation Boiling None of these Formation of lather with soap Distillation Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P4 P3 P2 P1 P4 P3 P2 P1 ANSWER DOWNLOAD EXAMIANS APP
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