Chemistry Ruby and sapphire are oxides of Iron Copper Aluminium Tin Iron Copper Aluminium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Carbon Iron Nitrogen Oxygen Carbon Iron Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In organic compounds, nitrogen is estimated by Carius method Liebig's method Dumas method Victor-Meyer's method Carius method Liebig's method Dumas method Victor-Meyer's method ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Ethane Methane Butane Propane Ethane Methane Butane Propane ANSWER DOWNLOAD EXAMIANS APP
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