Chemistry Which among the following metals provides amphoteric oxide ? Sodium Silver Calcium Aluminium Sodium Silver Calcium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A disinfectant A purifier for water An analgesic A fertilizer A disinfectant A purifier for water An analgesic A fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Two One Three Four Two One Three Four ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest ionization potential is Boron Carbon Oxygen Helium Boron Carbon Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Remains the same Increases Decreases First increases and then decreases Remains the same Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder Aluminium sulphate None of these Aluminium powder Solder Aluminium sulphate None of these Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
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