Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Iron Silicon Oxygen Magnesium Iron Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is kerosene oil olive oil coconut oil pine oil kerosene oil olive oil coconut oil pine oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Batteries Diesel Petrol and oxygen Steam Batteries Diesel Petrol and oxygen Steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of SOCl2 Tollen's reagent NaOH NaHCO3 SOCl2 Tollen's reagent NaOH NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 1.0 mg/m3 0.001 mg/m3 5.0 mg/m3 0.01 mg/m3 1.0 mg/m3 0.001 mg/m3 5.0 mg/m3 0.01 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
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