Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead sulphate is consumed Lead is formed Sulphuric acid is consumed SO2 is evolved Lead sulphate is consumed Lead is formed Sulphuric acid is consumed SO2 is evolved ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? SO2 NO2 Photochemical smog Dust particles SO2 NO2 Photochemical smog Dust particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water can be separated from alcohol water mixture by Evaporation Decantation Sublimation Distillation Evaporation Decantation Sublimation Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Man dies in the atmosphere of CO, because it Dries up the blood Reduces the organic matter of tissues Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Combines with O2 present in the body Dries up the blood Reduces the organic matter of tissues Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Combines with O2 present in the body ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Uranium Rhodium Thorium Iron Uranium Rhodium Thorium Iron ANSWER DOWNLOAD EXAMIANS APP
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