Chemistry The most abundant element by number in the living system is : Carbon Hydrogen Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Graphite Sulphur Bauxite Phosphorus Graphite Sulphur Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alumina Gypsum Alum Clay Alumina Gypsum Alum Clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Zirconium Thorium Plutonium Uranium Zirconium Thorium Plutonium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sponge Polythene Sulphur Chlorine Sponge Polythene Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Sulphur dioxide Methane None of these Carbon dioxide Sulphur dioxide Methane None of these Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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