Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Battery Generator Uninterrupted power supply (UPS) Power transmittor Battery Generator Uninterrupted power supply (UPS) Power transmittor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Cannot be negative Can never be positive 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: No spin Same or opposite spin Same spin Opposite spin No spin Same or opposite spin Same spin Opposite spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Liquified butane and isobutane Hydrogen and acetylene Methane and ethane Ethylene and carbon monoxide Liquified butane and isobutane Hydrogen and acetylene Methane and ethane Ethylene and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Formic acid Caproic acid Acetic acid Butyric acid Formic acid Caproic acid Acetic acid Butyric acid ANSWER DOWNLOAD EXAMIANS APP
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