Chemistry The gas used for filling weather balloons is Air Hydrogen Helium Nitrogen Air Hydrogen Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Soda ash Caustic potash Caustic soda Sodium hydroxide Soda ash Caustic potash Caustic soda Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A fertilizer A purifier for water An analgesic A disinfectant A fertilizer A purifier for water An analgesic A disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Manganese and copper Copper and nickel Copper and chromium Chromium and nickel Manganese and copper Copper and nickel Copper and chromium Chromium and nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its ignition temperature is very low Its critical temperature is high Its critical temperature is low Its ignition temperature is very high Its ignition temperature is very low Its critical temperature is high Its critical temperature is low Its ignition temperature is very high ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Chlorine Iodine Bromine Fluorine Chlorine Iodine Bromine Fluorine ANSWER DOWNLOAD EXAMIANS APP