Chemistry Which one is the most reactive gaseous element Iodine Bromine Flourine Chlorine Iodine Bromine Flourine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Ethyl formate Acetylene Methane Methyl alcohol Ethyl formate Acetylene Methane Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Positive Negative Zero Depends on whether the reaction is exothermic or endothermic Positive Negative Zero Depends on whether the reaction is exothermic or endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Aluminium hydroxide Silver bromide Potassium nitrate Sodium chloride Aluminium hydroxide Silver bromide Potassium nitrate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is carbon dioxide acetylene ethane ethylene carbon dioxide acetylene ethane ethylene ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS