Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Mercury Protactinium Uranium Thorium Mercury Protactinium Uranium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Coal Crude oil Biomass Carbohydrates Coal Crude oil Biomass Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons and electrons Protons Electrons Protons and neutrons Protons and electrons Protons Electrons Protons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Asbestos is formed of : Lead and Iron Copper, Zinc and Manganese Calcium and Magnesium Calcium and Zinc Lead and Iron Copper, Zinc and Manganese Calcium and Magnesium Calcium and Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Nitric acid Phosphoric acid Sulphuric acid Hydrochloric acid Nitric acid Phosphoric acid Sulphuric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
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