Chemistry Number of neutrons in an atom of hydrogen is Three Two One Zero Three Two One Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Carbides Hydrocarbons Carbonates Carbohydrates Carbides Hydrocarbons Carbonates Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? CaCN2 Urea NH4NO3 Ca(CN)2 CaCN2 Urea NH4NO3 Ca(CN)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Hydrocarbon Smoke Oxides of sulphur Oxides of nitrogen Hydrocarbon Smoke Oxides of sulphur Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element from below list is liquid at room temperature Bromine Zinc Lead Argon Bromine Zinc Lead Argon ANSWER DOWNLOAD EXAMIANS APP