Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Iron Silicon Oxygen Magnesium Iron Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Nylon PVC Polystyrene Polythene Nylon PVC Polystyrene Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Potassium Iodide Table salt Iodine Sugar Potassium Iodide Table salt Iodine Sugar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Slugging Zone melting Leaching Smelting Slugging Zone melting Leaching Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Helium Nitrogen Carbon dioxide Sulphur dioxide Helium Nitrogen Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Deposit of animal waste Coke Crude oil Compressed and hardened biomass Deposit of animal waste Coke Crude oil Compressed and hardened biomass ANSWER DOWNLOAD EXAMIANS APP
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