Chemistry Which one of the following is a micro-element ? Hydrogen Chlorine Nitrogen Oxygen Hydrogen Chlorine Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Nitrogen Carbon dioxide Chlorofluorocarbons Methane Nitrogen Carbon dioxide Chlorofluorocarbons Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Will always be positive Can have any value above zero Cannot be negative Can never be positive Will always be positive Can have any value above zero Cannot be negative Can never be positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Carbon monoxide Ozone Sulphuric acid Nitric acid Carbon monoxide Ozone Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is P-chlorophenol O-nitrophenol P-nitrophenol M-nitrophenol P-chlorophenol O-nitrophenol P-nitrophenol M-nitrophenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Two Three Zero One Two Three Zero One ANSWER DOWNLOAD EXAMIANS APP