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 one is the naturally occuring heaviest element Mercury Uranium Thorium Protactinium Mercury Uranium Thorium Protactinium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is carbon hydrogen nitrogen oxygen carbon hydrogen nitrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Non-stick kitchenwares are coated with PVC Silicon Teflon Graphite PVC Silicon Teflon Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? None of these Solder Aluminium sulphate Aluminium powder None of these Solder Aluminium sulphate Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A fungus An alga Lichen A bacterium A fungus An alga Lichen A bacterium ANSWER DOWNLOAD EXAMIANS APP
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