Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Argon Krypton Oxygen Nitrogen Argon Krypton Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero 4 –4 8 Zero 4 –4 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons Electrons Neutrons and protons Protons Neutrons Electrons Neutrons and protons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water cycle refers to An integrated attempt to recycle water in relatively arid regions Water distribution in relatively dry areas Scientific management of water in areas excessively plagued with water-logging Constant movement of water from ocean to land and back to ocean once again An integrated attempt to recycle water in relatively arid regions Water distribution in relatively dry areas Scientific management of water in areas excessively plagued with water-logging Constant movement of water from ocean to land and back to ocean once again ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Freon Carbon monoxide Chloro fluorocarbon Carbon dioxide Freon Carbon monoxide Chloro fluorocarbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Nitrogen Methane Propane Helium Nitrogen Methane Propane Helium ANSWER DOWNLOAD EXAMIANS APP