Chemistry The depletion of Ozone layer is mainly due to Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore which is found in abundance in India is bauxite monazite fluorspar magnetite bauxite monazite fluorspar magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Atomic Weight Neutron number Atomic number Mass number Atomic Weight Neutron number Atomic number Mass number ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was bronze gold iron copper bronze gold iron copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 100 years 0.01 minute 13 days 3 billion years 100 years 0.01 minute 13 days 3 billion years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? D.T. Plastic Aluminium Paper D.T. Plastic Aluminium Paper ANSWER DOWNLOAD EXAMIANS APP
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