Chemistry Which one is the lightest element in the periodic table Helium Hydrogen Oxygen Carbon Helium Hydrogen Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The National Chemical Laboratory is situated in New Delhi Patna Pune Bangalore New Delhi Patna Pune Bangalore ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in N2O H2O (2) C12O OF2 N2O H2O (2) C12O OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S CO2, NO2 and SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? Wrought iron Cast iron High speed steel Stainless steel Wrought iron Cast iron High speed steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is one of the constitutents of water Its atomic number is 2 It is a noble gas It is lighter than air It is one of the constitutents of water Its atomic number is 2 It is a noble gas It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
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