Chemistry Oxygen has (+) oxidation number only in OF2 H2O (2) N2O C12O OF2 H2O (2) N2O C12O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrous oxide Nitrite Nitric oxide Nitrate Nitrous oxide Nitrite Nitric oxide Nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: Cu(NO3)2 CuCO3 Cu(OH)2 CuO CuSO4 Cu(NO3)2 CuCO3 Cu(OH)2 CuO CuSO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore which is found in abundance in India is bauxite monazite magnetite fluorspar bauxite monazite magnetite fluorspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Neon Hydrogen Argon Helium Neon Hydrogen Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Methane Carbon dioxide Ozone gas Carbon Monoxide Methane Carbon dioxide Ozone gas Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
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