Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Cu Au Ag Ge Cu Au Ag Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cyanide poisoning causes death in seconds because It causes cardiac arrest It causes Lysis of red blood cells It breaks the electron transport chain It denatures enzymes of the heart/muscle It causes cardiac arrest It causes Lysis of red blood cells It breaks the electron transport chain It denatures enzymes of the heart/muscle ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Bromine Sodium Potassium Iodine Bromine Sodium Potassium Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O-2 O-22 O2 O+2 O-2 O-22 O2 O+2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wax used for making candle is chemically a mixture of Aliphatic and aromatic hydrocarbons Cyclic hydrocarbons Aromatic hydrocarbons Aliphatic hydrocarbons Aliphatic and aromatic hydrocarbons Cyclic hydrocarbons Aromatic hydrocarbons Aliphatic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP