Chemistry The depletion of Ozone layer is mainly due to Aviation fuels Chlorofluorocarbons Volcanic eruptions Radioactive rays Aviation fuels Chlorofluorocarbons Volcanic eruptions Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons and electrons Protons and neutrons Protons Electrons Protons and electrons Protons and neutrons Protons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Gaseous zinc Molten zinc Solid zinc Molten tin Gaseous zinc Molten zinc Solid zinc Molten tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercurous sulphate electrode Mercury - mercurous chloride electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode Mercury - mercurous chloride electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Phenol Methane Propyl alcohol Methyl alcohol Phenol Methane Propyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) ANSWER DOWNLOAD EXAMIANS APP
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